| Janine M. Allen | Superior Court of New Jersey, Morris/Sussex Vicinage | – |
| Ann Marie M. Wheatcraft | Court of Common Pleas of Chester County | – |
| Earl H., Jr. Maas | Superior Court of California, County of San Diego | 1973– |
| Frank S Maas | S.D. New York | 1999–2016 |
| Hon David W. Maas | Waukesha County Circuit Court | – |
| Peter J. Maassen | Alaska | 2012 |
| Gerald E. Mabe II | Wythe Circuit Court | – |
| Paula Adele Mabrey | Superior Court of California, County of Los Angeles | 2000–2006 |
| Arthur MacArthur | D.D.C. | 1870–1887 |
| Thomas Jamison MacBride | E.D. California | 1966–2000 |
| John MacCrate | N.Y. App. Div. | 1948–1955 |
| H Kemp MacDaniel | Md. App. Ct. | 1979–1982 |
| Bruce Gordon MacDonald | D. Arizona | 2012– |
| Donald Macdonald | Bankr. D. Alaska | 1990–2012 |
| Herbert S. MacDonald | Conn. | 1972–1977 |
| Robert G. MacDonald | Chesapeake Circuit Court | – |
| Kelly MacEachern | Superior Court of California, County of Orange | 2003–2008 |
| William E. MacFaden | Superior Court of California, County of Los Angeles | 1963–1973 |
| Roy G. MacFarland | Superior Court of California, County of Glenn | 1976–1997 |
| Patricia Robinson MacGuigan | Okla. Civ. App. | 1982–1991 |
| Kenji Machida | Superior Court of California, County of Los Angeles | 2001–2018 |
| Thaddeus M. Machrowicz | E.D. Michigan | 1961–1970 |
| Matthew A. Maciarello | Circuit Court for Wicomico County | – |
| Elizabeth Guerrero Macias | Superior Court of California, County of Orange | 2012– |
| Ronald Maciel | Superior Court of California, County of Kings | 2001–2007 |
| Jennifer Macierowski | Connecticut Superior Court | – |
| Donald S. Macintyre | Superior Court of California, County of Orange | 1998–2003 |
| Hugh James MacIntyre | Ga. Ct. App. | 1932–1952 |
| Brandon Mack | Jefferson County Superior Court | – |
| Julia Mack | D.C. | 1975–2001 |
| Julian William Mack | Sixth Circuit | 1929–1930 |
| Molly Mack | Wood County Court of Common Pleas | – |
| Robert L. Mack | Superior Court of Georgia, Clayton Judicial Circuit | – |
| Daniel E. Macken | N.Y. App. Div. | 1968–1974 |
| Alison Margaret Mackenzie | Superior Court of California, County of Los Angeles | 2018– |
| Barbara B. Mackenzie | Mich. Ct. App. | 1979–1999 |
| John Ashton MacKenzie | E.D. Virginia | 1967–1998 |
| Lyle Michael MacKenzie | Superior Court of California, County of Los Angeles | 2000–2012 |
| Tracy C MacKenzie | Dutchess County Family Court | – |
| Jeff Mackey | Franklin County Court of Common Pleas | – |
| Lawrence Mackey | New York Supreme Court, 3rd Judicial District | – |
| Malcolm H. Mackey | Superior Court of California, County of Los Angeles | 1989– |
| Robert D. Mackey | Superior Court of California, County of Los Angeles | 1990–2003 |
| Alexander F. MacKinnon | C.D. California | 2015– |
| George Edward MacKinnon | D.C. Circuit | 1969–1995 |
| William C. Mackrides | Court of Common Pleas of Delaware County | – |
| Ronni B. MacLaren | Superior Court of California, County of Alameda | 2000–2020 |
| Harry Hunter MacLaughlin | D. Minnesota | 1977–2005 |
| Harry Hunter MacLaughlin | Minn. | 1972–1977 |
| William A. MacLaughlin | Superior Court of California, County of Los Angeles | 2005–2006 |
| Lloyd Francis MacMahon | S.D. New York | 1959–1989 |
| Robert D. Macomber | Superior Court of California, County of Riverside | 1986–1994 |
| John A. MacPhail | Pa. Commw. Ct. | 1978–1988 |
| Patrick F MacRae | New York Supreme Court, 5th Judicial District | – |
| Bruce A. MacTavish | Jackson Superior Court | – |
| Richard J. Macy | Wyo. | 1985–2000 |
| Jennifer Madden | Superior Court of California, County of Alameda | 2017– |
| Joseph Warren Madden | Ct. of Claims | 1941–1972 |
| Patrick Thomas Madden | Superior Court of California, County of Los Angeles | 2000– |
| Thomas M. Madden | D. New Jersey | 1945–1976 |
| Thomas M. Maddock | Superior Court of California, County of Contra Costa | 2005–2006 |
| Alva Hugh Maddox | Ala. | 1969–2001 |
| Fredda L. Maddox | Court of Common Pleas of Chester County | – |
| Matthew James Maddox | D. Maryland | 2023– |
| Selene D. Maddox | Bankr. N.D. Mississippi | 2018– |
| Katherine Mader | Superior Court of California, County of Los Angeles | 2001–2020 |
| Barbara Madsen | Wash. | 1993 |
| Hillary Madsen | King County Superior Court | – |
| Petra Jimenez Maes | N.M. | 1998– |
| Juan A. Magallanes | Texas 357th District Court | – |
| Gerald Mager | Fla. Dist. Ct. App. | 1970–1977 |
| Patrick F. Magers | Superior Court of California, County of Riverside | 1987–2010 |
| Bryan J Maggs | Chemung County Family Court | – |
| Gregory E Maggs | Armed Forces | – |
| Frank J. Magill | Eighth Circuit | 1986–2013 |
| Patricia Maginnis | Texas 435th District Court | – |
| Mark G. Magit | Superior Court of California, County of Mono | 2011–2022 |
| Ann M Magnarelli | Syracuse City Court | – |
| Elizabeth W Magner | Bankr. E.D. Louisiana | 2005–2019 |
| Greg Magness | Twelfth Judicial Circuit Court | – |
| Clarence R. Magney | Minn. | 1943–1953 |
| Godofredo Cuison Magno | Superior Court of California, County of Riverside | 2017– |
| Teresa Pineda Magno | Superior Court of California, County of Los Angeles | 2015– |
| Jane Elizabeth Magnus-Stinson | S.D. Indiana | 2010– |
| Eric J. Magnuson | Minn. | 2008–2010 |
| Paul Arthur Magnuson | D. Minnesota | 1981– |
| Andrew Gordon Magrath | D. South Carolina | 1856–1860 |
| Benjamin Drake Magruder | Ill. | 1885–1906 |
| Calvert Magruder | First Circuit | 1939–1968 |
| Daniel P. Maguire | Superior Court of California, County of Yolo | 2010–2019 |
| Frederick Maguire | Superior Court of California, County of San Diego | 2001– |
| Michael Patrick Maguire | Texas 198th District Court | – |
| Frank G. Mahady | Vt. | 1987–1987 |
| James C. Mahan | D. Nevada | 2002– |
| Stephen C. Mahan | Virginia Beach Circuit Court | – |
| John C. Maher | Texas 23rd District Court | – |
| Richard M. Maher | Mich. Ct. App. | 1975–1991 |
| Glenn A. Mahler | Superior Court of California, County of Orange | 1998–2008 |
| Eldon Brooks Mahon | N.D. Texas | 1972–2005 |
| A Franklin Mahoney | N.Y. App. Div. | 1976–1993 |
| Edward J. Mahoney | Ohio Ct. App. | 1973–1989 |
| John Christopher Mahoney | First Circuit | 1940–1952 |
| John Daniel Mahoney | Second Circuit | 1986–1996 |
| Kelly K.E. Mahoney | N.D. Iowa | 2017– |
| Kevin J. Mahoney | Circuit Court for Harford County | – |
| Margaret A Mahoney | Bankr. S.D. Alabama | 1993–2015 |
| P. Michael Mahoney | N.D. Illinois | 1976–2012 |
| Patrick J. Mahoney | Superior Court of California, County of San Francisco | 2000–2013 |
| Timothy J Mahoney | Bankr. D. Nebraska | 1987–2011 |
| Walter J. Mahoney | N.Y. App. Div. | 1974–1977 |
| Natalie Mai | Oklahoma County District Court | – |
| Christopher T Maier | Troy City Court | – |
| Clare Marie Maier | Superior Court of California, County of Contra Costa | 2007– |
| Cole Adams Maier | Clark & Madison Circuit Court | – |
| James Allen Main | Ala. | 2011 |
| Robert G. Main | N.Y. App. Div. | 1973–1987 |
| Joshua S. Maines | Court of Common Pleas of Clearfield County | – |
| Runston Gould Maino | Superior Court of California, County of San Diego | 1987– |
| Martha T. Mainor | Superior Court of New Jersey, Hudson Vicinage | – |
| Deborah L. Mains | Superior Court of New Jersey, Cumberland/Gloucester/Salem Vicinage | – |
| Barbara L. Major | S.D. California | 2012– |
| James Earl Major | Seventh Circuit | 1937–1972 |
| John H. Major | Superior Court of California, County of Los Angeles | 1984–1997 |
| Sharon Bernadette Majors-Lewis | Superior Court of California, County of San Diego | 2010– |
| Mona K. Majzoub | E.D. Michigan | 2004– |
| Scott Makar | Fla. Dist. Ct. App. | 2012– |
| Kazuharu Makino | Superior Court of California, County of Orange | 1989–2011 |
| Derek Daniel Malan | Superior Court of California, County of Ventura | 2019– |
| Nelida MalaveGonzalez | Bronx County Surrogate's Court | – |
| Paul R. Malchesky | Painesville Municipal Court | – |
| Carol E Malcolm | New York City Civil Court, Bronx County | – |
| Albert H. Maldonado | Superior Court of California, County of Monterey | 2000–2017 |
| Nancy Lee Maldonado | Seventh Circuit | 2024– |
| Lumarie MaldonadoCruz | New York Supreme Court, 11th Judicial District | – |
| Robert G. Malestein | Superior Court of New Jersey, Cumberland/Gloucester/Salem Vicinage | – |
| Herbert Naaman Maletz | Int'l Trade | 1980–2002 |
| Rena Malik | New York City Civil Court, Kings County | – |
| James A. Malkus | Superior Court of California, County of San Diego | 1979–1993 |
| Barbara J. Mallach | Superior Court of California, County of San Mateo | 1998–2018 |
| Robert M. Mallano | Cal. Ct. App. | 1980–2014 |
| Raymond Bowden Mallard | N.C. Ct. App. | 1967–1973 |
| Anthony Richard Mallery | Superior Court of California, County of Lassen | 2013– |
| Joseph A. Mallery | Wash. | 1942–1962 |
| Conrad L. Mallett Jr. | Mich. | 1990–1999 |
| Richard Morten Mallett | Superior Court of California, County of San Joaquin | 1998– |
| Christopher P. Mallios Jr. | Court of Common Pleas of Philadelphia County | – |
| William L. Mallory Jr. | Ohio Ct. App. | 2009–2011 |
| William L. Mallory Jr. | Hamilton County Municipal Court | – |
| Dwane K. Mallory | Hamilton County Municipal Court | – |
| Bernard J. Malone Jr. | N.Y. | 2005–2012 |
| Bernard J. Malone Jr. | N.Y. App. Div. | 2005– |
| Chuck Malone | Ala. | 2011–2013 |
| James W Malone | New York Supreme Court, 10th Judicial District | – |
| Michael E. Malone | Circuit Court for Anne Arundel County | – |
| Shana Rooks Malone | Superior Court of Georgia, Clayton Judicial Circuit | – |
| Stanley R., Jr. Malone | Superior Court of California, County of Los Angeles | 1975–1991 |
| Steven Curtis Malone | Superior Court of California, County of San Bernardino | 2006– |
| Thomas E. Malone | Kan. Ct. App. | 2003– |
| Dennis Maloney | Fla. Dist. Ct. App. | 1983– |
| Frank Maloney | Tex. Crim. App. | 1991–1996 |
| John Michael Maloney | Circuit Court for Montgomery County | – |
| Paul Lewis Maloney | W.D. Michigan | 2007– |
| Robert B. Maloney | N.D. Texas | 1985– |
| Lisa Malpass | Ferry County Superior Court | – |
| Lisa Malpass | Pend Oreille County Superior Court | – |
| Lisa Malpass | Stevens County Superior Court | – |
| Michael Malski | 1st Chancery Court District | – |
| William Mills Maltbie | Conn. | 1930–1950 |
| Joseph J. Maltese | N.Y. App. Div. | 2014–2020 |
| Lawrence S. Mana | Superior Court of California, County of San Francisco | 1969–1984 |
| Anna Marie Manasco | N.D. Alabama | 2020– |
| Fernando G. Mancias | Texas 93rd District Court | – |
| Richard Mancini | Court of Common Pleas of Beaver County | – |
| Frederick Anthony Mandabach | Superior Court of California, County of San Bernardino | 1989–2006 |
| Elaine Wendy Mandel | Superior Court of California, County of Los Angeles | 2009– |
| Jack K. Mandel | Superior Court of California, County of Orange | 1981–2000 |
| Robert M Mandelbaum | New York City Criminal Court, New York County | – |
| Samuel Mandelbaum | S.D. New York | 1936–1946 |
| Louis L. Manderino | Pa. | 1972–1979 |
| Mark Anthony Mandio | Superior Court of California, County of Riverside | 2006– |
| Dean P. Mandros | Lucas County Court of Common Pleas | – |
| Nora Margaret Manella | C.D. California | 1998–2006 |
| Nora Margaret Manella | Superior Court of California, County of Los Angeles | 2018– |
| Guy James Mangano | N.Y. App. Div. | 1979–2001 |
| Robert Geoffrey Mangano | Superior Court of California, County of Fresno | 2019– |
| Guy J ManganoJr | New York Court of Claims | – |
| Mark A. Mangerson | Wis. Ct. App. | 2011–2014 |
| James Andrew Mangione | Superior Court of California, County of San Diego | 2015– |
| Jessica L. Mangrum | Texas 200th District Court | – |
| Michelle Mangum-Merendino | Texas 75th District Court | – |
| Jenny Pitts Manier | St. Joseph Superior Court | – |
| Amy K. Manigan | Superior Court of New Jersey, Essex Vicinage | – |
| Daniel Anthony Manion | Seventh Circuit | 1986–2024 |
| Stephen V. R. Manley | Superior Court of California, County of Santa Clara | 1998– |
| Amy Mann | West Virginia Circuit Court | – |
| Arthur H. Mann | Superior Court of California, County of Lake | 1998–2009 |
| David S Mann | Wash. Ct. App. | – |
| Margaret Mann | Bankr. S.D. California | 2010– |
| Roanne L. Mann | E.D. New York | 1994– |
| Robert T. Mann | Fla. Dist. Ct. App. | 1968–1974 |
| Thomas P. Mann | Va. | – |
| Paul Mannes | Bankr. D. Maryland | 1981–2016 |
| David Mannheimer | Alaska Ct. App. | 1990– |
| Allison L. Manning | Avon Lake Municipal Court | – |
| Blanche Manning | Ill. App. Ct. | 1987–1994 |
| Blanche M. Manning | N.D. Illinois | 1994–2020 |
| Julie Manning | Bankr. D. Connecticut | 2013– |
| Tjuana Byrd Manning | Sixth Judicial Circuit Court | – |
| Malachy Edward Mannion | M.D. Pennsylvania | 2012– |
| Steven C. Mannion | D. New Jersey | 2012– |
| Qiana Shanne Manns | Texas 309th District Court | – |
| John Michael Manos | N.D. Ohio | 1976–2006 |
| Noel Edwin Manoukian | Nev. | 1977–1985 |
| Harry Manser | Me. | 1935–1946 |
| Edward M. Mansfield | Iowa | 2011– |
| Kenneth Mansfield | D. Hawaii | 2016– |
| Walter Roe Mansfield | Second Circuit | 1971–1987 |
| Jeffrey C. Manske | W.D. Texas | 2001– |
| Carol Los Mansmann | Third Circuit | 1985–2002 |
| Craig Manson | Superior Court of California, County of Sacramento | 1998–2002 |
| Andre Manssourian | Superior Court of California, County of Orange | 2011– |
| Maureen B. Mantineo | Superior Court of New Jersey, Hudson Vicinage | – |
| Martin Thomas Manton | Second Circuit | 1918–1939 |
| Halleck J. Mantz | Iowa | 1943–1953 |
| Wiley Manuel | Cal. | 1977–1981 |
| John F. Manydeeds | Eau Claire County Circuit Court | – |
| Sallie Manzanet | New York Supreme Court, 1st Judicial District | – |
| Steven Alan Mapes | Superior Court of California, County of San Bernardino | 2007– |
| Mark Maples | 16th Chancery Court District | – |
| Randy Sue Marber | New York Supreme Court, 10th Judicial District | – |
| Thomas Littlefield Marble | N.H. | 1925–1946 |
| Algenon L. Marbley | S.D. Ohio | 1997– |
| Charles C. Marbury | Md. | 1960–1969 |
| Ogle Marbury | Md. | 1941–1952 |
| Jason Marbutt | Superior Court of Georgia, Cobb Judicial Circuit | – |
| Cleveland J. Marcel | La. Ct. App. | 1974–1984 |
| Thomas M. Marcelain | Licking County Court of Common Pleas | – |
| Thomas Marcelle | New York Supreme Court, 3rd Judicial District | – |
| Helen W. Marchal | Marion Superior Court | – |
| Jeffrey L. Marchal | Marion Superior Court | – |
| Bristow Marchant | D. South Carolina | 1992– |
| Henry Marchant | D. Rhode Island | 1790–1796 |
| James J. Marchiano | Cal. Ct. App. | 1988–2013 |
| John George Edward Marck | S.D. Texas | – |
| Virginia Guadalupe Marcoida | Superior Court of California, County of Sonoma | 2008– |
| Dean Marcolongo | Superior Court of New Jersey, Atlantic/Cape May Vicinage | – |
| Walter F. Marcus Jr. | La. | 1973–2000 |
| Gregg Marcus | Superior Court of California, County of Los Angeles | 2000–2010 |
| Ilana J Marcus | New York City Civil Court, New York County | – |
| Stanley Marcus | Eleventh Circuit | 1997– |
| Stephen Austin Marcus | Superior Court of California, County of Los Angeles | 2000– |
| Harold C. Marden | Me. | 1962–1970 |
| Robert Z. Mardikian | Superior Court of California, County of Fresno | 1977–1994 |
| Lori A. Maret | Lancaster County District Court | – |
| Kelley L. Margetas | Court of Common Pleas of York County | – |
| Charles Margett | N.Y. App. Div. | 1975–1981 |
| Charles Margines | Superior Court of California, County of Orange | 1998–2018 |
| Alfred L. Margolis | Superior Court of California, County of Los Angeles | 1973–1991 |
| Joan Glazer Margolis | D. Connecticut | 1985– |
| Lawrence S Margolis | D. Arizona | 1982– |
| Sandra Lynn Margulies | Cal. Ct. App. | 2002– |
| Ira H Margulis | New York Supreme Court, 11th Judicial District | – |
| Robert David Mariani | M.D. Pennsylvania | 2011– |
| Ollie Marie-Victoire | Superior Court of California, County of San Francisco | 1979–1994 |
| Paul M. Marigonda | Superior Court of California, County of Santa Cruz | 2007–2015 |
| Mary Muehlen Maring | N.D. | 1996–2013 |
| Jesse John Marino | Superior Court of California, County of San Luis Obispo | 2017– |
| James Patrick Marion | Superior Court of California, County of Orange | 1999–2011 |
| Sandee Bryan Marion | Tex. App. | 2002– |
| Albert Branson Maris | Third Circuit | 1938–1989 |
| Jonathan Mark | Court of Common Pleas of Monroe County | – |
| Robert Mark | Bankr. S.D. Florida | 1990– |
| Bruce A Markell | Bankr. D. Nevada | 2004–2013 |
| Charles Markell | Md. | 1944–1952 |
| Joel T. Marker | Bankr. D. Utah | 2010– |
| Arthur Markewich | N.Y. App. Div. | 1969–1982 |
| Christian E., Jr. Markey | Superior Court of California, County of Los Angeles | 1974–1988 |
| Howard Thomas Markey | Federal Circuit | 1982–1991 |
| Jane E. Markey | Mich. Ct. App. | 1994– |
| J. David Markham | Superior Court of California, County of Lake | 2018–2019 |
| Michael M. Markman | Superior Court of California, County of Alameda | 2013– |
| Stephen Markman | Mich. | 1999– |
| Stephen Markman | Mich. Ct. App. | 1995– |
| Paul M. Marko III | Fla. Dist. Ct. App. | 1972–1995 |
| Robert A Markoff | Kings County Family Court | – |
| Eric J. Markovich | D. Arizona | 2014– |
| Bernard Markovitz | Bankr. W.D. Pennsylvania | 1985–2010 |
| Anna-Kristie M. Marks | Court of Common Pleas of Lehigh County | – |
| Emily Coody Marks | M.D. Alabama | 2018– |
| Eric Marks | Lucas County Court of Common Pleas | – |
| Jason Marks | Fourth Judicial District Court | – |
| Linda Stockfish Marks | Superior Court of California, County of Orange | 2003– |
| James M Marlar | Bankr. D. Arizona | 1993– |
| Fred W. Marler Jr. | Cal. Ct. App. | 1974–1992 |
| George Patrick Marlette | Superior Court of California, County of Sacramento | 1998– |
| Margaret M. Marley | Superior Court of New Jersey, Hudson Vicinage | – |
| John A. Marlo | Superior Court of California, County of Santa Cruz | 1987–1993 |
| George D. Marlow | N.Y. App. Div. | 2001–2008 |
| Monica Marlow | Superior Court of California, County of Shasta | 1998–2017 |
| Marc R. Marmaro | Superior Court of California, County of Los Angeles | 2010–2018 |
| Francis X. Marnell | Superior Court of California, County of Los Angeles | 1967–1993 |
| Seth M Marnin | New York Court of Claims | – |
| Lawrence Maron | Superior Court of New Jersey, Passaic Vicinage | – |
| George Michael Marovich | N.D. Illinois | 1988– |
| Abraham Lincoln Marovitz | N.D. Illinois | 1963–2001 |
| Alfredo Chavez Marquez | D. Arizona | 1980–2014 |
| Jose D.L. Marquez | Colo. Ct. App. | 1988–2008 |
| Leonard Enrique Marquez | Superior Court of California, County of Contra Costa | 2018– |
| Miguel Marquez | Cal. Ct. App. | 2012–2016 |
| Monica Marquez | Colo. | 2010– |
| Raquel A. Márquez | Superior Court of California, County of Riverside | 2012– |
| Raymonda Burnham Marquez | Superior Court of California, County of Kern | 2008– |
| Rosemary Márquez | D. Arizona | 2014– |
| Linda Marquis | Eighth Judicial District Court | – |
| Kenneth Marra | Fla. Dist. Ct. App. | 1996–2002 |
| Kenneth A. Marra | S.D. Florida | 2002– |
| Orlando MarrazzoJr | New York Supreme Court, 13th Judicial District | – |
| Victor Marrero | S.D. New York | 1999– |
| Susan P. Marrinan | Superior Court of California, County of San Diego | 1998–2000 |
| Paul MarroneJr | New York Supreme Court, 13th Judicial District | – |
| Christina M. Marroquin | Saunders County District Court | – |
| Bruce Frederick Marrs | Superior Court of California, County of Los Angeles | 2000– |
| William Marsala | Superior Court of New Jersey, Passaic Vicinage | – |
| James R. Marschewski | W.D. Arkansas | 2007– |
| Rabe Ferguson Marsh Jr. | W.D. Pennsylvania | 1950–1993 |
| John H. Marsh | Buffalo County District Court | – |
| John S. Marsh | N.Y. App. Div. | 1965–1978 |
| Malcolm Francis Marsh | D. Oregon | 1987–2025 |
| Melba D. Marsh | Hamilton County Court of Common Pleas | – |
| Raymond Marsh | Superior Court of California, County of Alameda | 1978–1995 |
| Rick Marsh | Kiowa County District Court | – |
| D Price Marshall Jr. | Ark. Ct. App. | 2007–2010 |
| Denzil Price Marshall Jr. | E.D. Arkansas | 2010– |
| Andrea I. Marshall | Superior Court of New Jersey, Monmouth Vicinage | – |
| Brian K. Marshall | Court of Common Pleas of Centre County | – |
| Christopher Bradley Marshall | Superior Court of California, County of San Bernardino | 2009– |
| Consuelo Bland Marshall | C.D. California | 1980– |
| Dan E. Marshall | Hancock Superior Court | – |
| Delsia G Marshall | New York Supreme Court, 11th Judicial District | – |
| Denise Marshall | Superior Court of Georgia, Dougherty Judicial Circuit | – |
| John Marshall | Supreme Court | 1801–1835 |
| John Marshall | Henrico Circuit Court | – |
| John Augustine Marshall | D. Utah | 1896–1915 |
| Margaret H. Marshall | Mass. | 1996–2010 |
| Prentice Henry Marshall | N.D. Illinois | 1973–1996 |
| Sarah E Marshall | Monroe County Family Court | – |
| Thomas O. Marshall | Ga. | 1977–1989 |
| Thurgood Marshall | Supreme Court | 1967–1991 |
| Edward M. Marsico Jr. | Court of Common Pleas of Dauphin County | – |
| Simone Marstiller | Fla. Dist. Ct. App. | 2010– |
| Karen Spencer Marston | E.D. Pennsylvania | 2019– |
| Timothy Richard Martella | Superior Court of California, County of Los Angeles | 2018– |
| John Thomas Marten | D. Kansas | 1996–2021 |
| Kevin E. Martens | Milwaukee County Circuit Court | – |
| Boyce Ficklen Martin Jr. | Sixth Circuit | 1979–2013 |
| James Robert Martin Jr. | D. South Carolina | 1965–1984 |
| John S. Martin Jr. | S.D. New York | 1990–2003 |
| John Donelson Martin Sr. | Sixth Circuit | 1940–1962 |
| Andrea G. Martin | Texas 304th District Court | – |
| Beverly Baldwin Martin | Eleventh Circuit | 2010–2021 |
| Bonnie Lee Martin | Superior Court of California, County of Los Angeles | 1975–1990 |
| Brenda Kay Martin | Bankr. D. Arizona | 2014– |
| Chris Martin | Texas 294th District Court | – |
| Clarence B. Martin | Ind. | 1927–1933 |
| Crystal Wise Martin | 5th Chancery Court District | – |
| Cynthia Martin | Greene County Court of Common Pleas | – |
| Cynthia L. Martin | Mo. Ct. App. | 2009– |
| Daniel G Martin | N.D. Illinois | 2012–2018 |
| David L Martin | D. Rhode Island | 1998–2012 |
| Dena Martin | Greene Superior Court | – |
| Dennis M. Martin | Petersburg Circuit Court | – |
| Doug Martin | Fourth Judicial Circuit Court | – |
| Doug Martin | Ark. Ct. App. | 2011–2012 |
| Duane Martin | Superior Court of California, County of San Joaquin | 1980–1995 |
| Eric D. Martin | Muskingum County Court of Common Pleas | – |
| Francis Martin | N.Y. App. Div. | 1923–1947 |
| George Ewing Martin | D.C. Circuit | 1924–1948 |
| Gerald Martin | 13th Chancery Court District | – |
| Harry C. Martin | N.C. | 1982–1992 |
| Isaac Jack Martin | C.C.P.A. | 1958–1966 |
| James Loren Martin | D. Vermont | 1906–1915 |
| Jeffrey C Martin | Dutchess County Family Court | – |
| John Martin | N.D. Indiana | 2013– |
| John C. Martin | N.C. Ct. App. | 1985–2014 |
| John E. Martin | Superior Court of California, County of Calaveras | 2001–2014 |
| John N. Martin | Superior Court of California, County of San Bernardino | 1998–2013 |
| John S. Martin | Lancaster Circuit Court | – |
| John Tally Martin | Superior Court of Georgia, Chattahoochee Judicial Circuit | – |
| Lia Raeshawn Martin | Superior Court of California, County of Los Angeles | 2010– |
| Margaret W Martin | New York City Criminal Court, Kings County | – |
| Mark D. Martin | N.C. | 1999 |
| Melanie Martin | Sixth Judicial Circuit Court | – |
| Myron A. Martin | Superior Court of California, County of Alameda | 1976–1988 |
| Paul R. Martin | Superior Court of California, County of Madera | 1985–1997 |
| Richard C. Martin | Superior Court of California, County of Lake | 2005–2017 |
| Robert D Martin | Bankr. W.D. Wisconsin | 1978–2016 |
| Robert L. Martin | Cal. Ct. App. | 1977–1997 |
| Robert M. Martin | N.C. Ct. App. | 1974–1982 |
| Tilisha Tionette Martin | Superior Court of California, County of San Diego | 2015– |
| William F. Martin | Superior Court of California, County of Santa Clara | 1989–2006 |
| John Ellis Martineau | E.D. Arkansas | 1928–1937 |
| Araceli Martinez-Olguin | N.D. California | 2023– |
| Alex J. Martinez | Colo. | 1997–2011 |
| Alexander R. Martinez | Superior Court of California, County of San Bernardino | 2010– |
| Ana Martinez | Texas 179th District Court | – |
| Angela Marie Martinez | D. Arizona | 2024– |
| Donna F. Martinez | D. Connecticut | 1994– |
| Elizabeth Martinez | Texas 73rd District Court | – |
| Joe L. Martinez | N.M. | 1973–1975 |
| John L. Martinez | Superior Court of California, County of Los Angeles | 2000–2003 |
| Jose E. Martinez | S.D. Florida | 2002– |
| Lourdes A Martinez | D. New Mexico | 2003–2017 |
| P Davis Martinez | La. Ct. App. | 1950–1966 |
| Philip Ray Martinez | W.D. Texas | 2002–2021 |
| Rebeca Carrillo Martinez | Tex. App. | 2013–2026 |
| Ricardo S. Martinez | W.D. Washington | 2004– |
| Robert M. Martinez | Superior Court of California, County of Los Angeles | 1985–2018 |
| Stefanie A. Martinez | Sarpy County District Court | – |
| Victor D. Martinez | Superior Court of California, County of Los Angeles | 2010– |
| William Joseph Martinez | D. Colorado | 2010– |
| William J. Martini | D. New Jersey | 2002– |
| Brian R. Martinotti | D. New Jersey | 2016– |
| Don Martinson | Superior Court of California, County of San Diego | 1981–1990 |
| Amy C Martoche | New York Supreme Court, 8th Judicial District | – |
| Frederick J. Martone | D. Arizona | 2001– |
| Frederick J. Martone | Ariz. | 1992–2002 |
| M H. Martuscello | N.Y. | 1967–1978 |
| Julia A. Martz-Fisher | Circuit Court for Frederick County | – |
| Masateru Marubashi | New York City Criminal Court, Kings County | – |
| Masaji Marumoto | Haw. | 1954–1973 |
| L. Paige Marvel | Tax Ct. | 1998– |
| Charles Allen Marvin | La. Ct. App. | 1990– |
| Lawrence W., Jr. Marvin | Superior Court of California, County of Sacramento | 1987–1990 |
| Mounts Marvin | Fla. Dist. Ct. App. | 1974–1978 |
| William Marvin | S.D. Florida | 1847–1863 |
| Paul I Marx | New York Supreme Court, 9th Judicial District | – |
| John J. Mascio | Steubenville Municipal Court | – |
| Jennifer Lee Mascott | Third Circuit | 2025– |
| Randal S. Mashburn | Bankr. M.D. Tennessee | 2012– |
| Jacqueline Mask | 1st Chancery Court District | – |
| Albert H. Masland | Court of Common Pleas of Cumberland County | – |
| Mark G Masler | New York Supreme Court, 6th Judicial District | – |
| Andrea Masley | New York Supreme Court, 1st Judicial District | – |
| Aaron D Maslow | New York Supreme Court, 13th Judicial District | – |
| Aaron Mason | Superior Court of Georgia, Clayton Judicial Circuit | – |
| David A. Mason | Superior Court of California, County of Modoc | 2009–2019 |
| Donald Mason | Mo. Ct. App. | 1977–1980 |
| John Young Mason | E.D. Virginia | 1841–1844 |
| Karen H. Mason | Circuit Court for Prince George's County | – |
| M.L. Mason | Iowa | 1965–1978 |
| Mark W. Mason | Fountain Circuit Court | – |
| Michael T Mason | N.D. Illinois | 2001–2019 |
| Rothwell B. Mason | Superior Court of California, County of Sacramento | 1977–1991 |
| Tomar Mason | Superior Court of California, County of San Francisco | 1998–2011 |
| Tracey Mason | Superior Court of Georgia, Gwinnett Judicial Circuit | – |
| Wesley R. III Mason | Superior Court of California, County of San Diego | 1990–2006 |
| Mark S. Massa | Ind. | 2012– |
| Michael C. Massengale | Tex. App. | 2009– |
| James E Massey | Bankr. N.D. Georgia | 1993–2014 |
| Terry N. Massey | Superior Court of Georgia, Ocmulgee Judicial Circuit | – |
| Thomas A. Massey | Vanderburgh Superior Court | – |
| Keith S MasseyJr | Ogdensburg City Court | – |
| Kimberly P. Massicotte | Connecticut Superior Court | – |
| Michael Jerome Massie | Portsmouth Circuit Court | – |
| Anne-Christine Theresa Massullo | Superior Court of California, County of San Francisco | 2006– |
| James M. Masteller | Douglas County District Court | – |
| Thomas Ambrose Masterson | E.D. Pennsylvania | 1967–1973 |
| William A. Masterson | Cal. Ct. App. | 1988–1993 |
| Amy Mastin | Eighth Judicial District Court | – |
| Mark Gerald Mastroianni | D. Massachusetts | 2014– |
| Laura J. Masunaga | Superior Court of California, County of Siskiyou | 2005–2019 |
| Susan J. Matcham | Superior Court of California, County of Monterey | 2010–2020 |
| Joshua M. Matejczyk | Lake Superior Court | – |
| Paul Brian Matey | Third Circuit | 2019– |
| William Carey Mathes | S.D. California | 1945–1967 |
| Scott Milne Matheson Jr. | Tenth Circuit | 2010– |
| John Matheussen | Superior Court of New Jersey, Cumberland/Gloucester/Salem Vicinage | – |
| Clifton Mathews | Ninth Circuit | 1935–1962 |
| John E. Mathews | Fla. | 1951–1955 |
| Stacey L. Mathews | Texas 277th District Court | – |
| Thomas F. Mathews | Superior Court of California, County of Yuba | 1983–2001 |
| David C. Mathias | Superior Court of California, County of Tulare | 2010–2019 |
| Paul D. Mathias | Ind. Ct. App. | 2000– |
| Andre Bernard Mathis | Sixth Circuit | 2022– |
| Pamela A. Mathy | W.D. Texas | 1998–2016 |
| David T. Matia | Cuyahoga County Court of Common Pleas | – |
| Paul Ramon Matia | N.D. Ohio | 1991–2005 |
| Joseph J. Matika | Court of Common Pleas of Carbon County | – |
| Albert Matricciani | Md. App. Ct. | 2008–2014 |
| Richard Paul Matsch | D. Colorado | 1974–2019 |
| Leroy E. Matson | Minn. | 1945–1960 |
| Kiyo A. Matsumoto | E.D. New York | 2008– |
| Mario F Mattei | New York Supreme Court, 13th Judicial District | – |
| Charles Matteson | R.I. | 1891–1900 |
| Marion Charles Matthes | Eighth Circuit | 1958–1980 |
| William Matthewman | S.D. Florida | 2012– |
| Warren W. Matthews Jr. | Alaska | 1977–2009 |
| Albert D. Matthews | Superior Court of California, County of Los Angeles | 1973–1989 |
| Burnita Shelton Matthews | D.D.C. | 1950–1988 |
| James F Matthews | New York Supreme Court, 10th Judicial District | – |
| Martha Alys Matthews | Superior Court of California, County of Los Angeles | 2018– |
| Stanley Matthews | Supreme Court | 1881–1889 |
| Edward Shiloh Matthias | Ohio | 1915–1953 |
| John M. Matthias | Ohio | 1954–1970 |
| Sharon G Matthie | Westchester County Family Court | – |
| Harry Sandlin Mattice Jr. | E.D. Tennessee | 2005–2021 |
| Michael Mattice | Superior Court of California, County of Solano | 2003–2020 |
| Anthony Wayne Mattivi | D. Kansas | 2026– |
| Jeremy M. Mattox | Bourbon, Scott & Woodford Circuit Court | – |
| Jean E. Matusinka | Superior Court of California, County of Los Angeles | 1985–2006 |
| A. Howard Matz | C.D. California | 1998–2013 |
| Laura A. Matz | Superior Court of California, County of Los Angeles | 2000–2018 |
| William Mauer | Mo. Ct. App. | 1984–1985 |
| Richard R. Maughan | Utah | 1975–1981 |
| Fred Maughmer | Mo. Ct. App. | 1955–1956 |
| John Maughmer | W.D. Missouri | 1988– |
| William Maupin | Nev. | 1997–2009 |
| Louis Robert Keane Mauro | Cal. Ct. App. | 2010– |
| Roslynn Renee Mauskopf | E.D. New York | 2007–2024 |
| Philip K. Mautino | Superior Court of California, County of Los Angeles | 2000–2019 |
| Anthony R. Mautone | D. New Jersey | 2000– |
| Catherine A. Mauzy | Texas 419th District Court | – |
| Oscar H. Mauzy | Tex. | 1987–1993 |
| Darrell Shaun Mavis | Superior Court of California, County of Los Angeles | 2006– |
| Douglas K. Mawhorr | Delaware Circuit Court | – |
| Bradley A. Maxa | Wash. Ct. App. | 2013– |
| George W. Maxey | Pa. | 1930–1950 |
| Thomas Shelton Maxey | W.D. Texas | 1888–1916 |
| James D. Maxwell II | Miss. Ct. App. | 2009– |
| James Donald Maxwell II | N.D. Mississippi | 2025– |
| Emily Maxwell | McCurtain County District Court | – |
| Jimmy Maxwell | Miss. Ct. App. | 2009– |
| Michael P. Maxwell | Waukesha County Circuit Court | – |
| Pauline Marie Maxwell | Superior Court of California, County of Santa Barbara | 2014– |
| Ralph L. Maxwell | Ill. | 1951–1956 |
| Robert Earl Maxwell | N.D. West Virginia | 1965–2010 |
| Caleb E. May | 8th Circuit Court District | – |
| David May | Iowa | 2022– |
| Donald O. May | Superior Court of California, County of Santa Cruz | 1975–1987 |
| Gus Thomas May | Superior Court of California, County of Los Angeles | 2017– |
| K Rodney May | Bankr. M.D. Florida | 2003–2017 |
| Leigh Martin May | N.D. Georgia | 2014– |
| Melanie May | Fla. Dist. Ct. App. | 2002– |
| Melissa S. May | Ind. Ct. App. | 1998– |
| Robert E. May | Superior Court of California, County of San Diego | 1987–2003 |
| Jon M. Mayeda | Superior Court of California, County of Los Angeles | 1999–2007 |
| Christina M. Mayer | Dunn County Circuit Court | – |
| Francis W. Mayer | Superior Court of California, County of San Francisco | 1969–1985 |
| Haldane Robert Mayer | Federal Circuit | 1987– |
| Julius Marshuetz Mayer | Second Circuit | 1921–1924 |
| Patricia M. Mayer | Bankr. E.D. Pennsylvania | 2020– |
| Robert G Mayer | Bankr. E.D. Virginia | 1999–2017 |
| Shayne L. Mayer | 3rd Judicial District Court | – |
| Stacy A. Mayer | Circuit Court for Baltimore County | – |
| Janie S Mayeron | D. Minnesota | 2003–2017 |
| Cindee F. Mayfield | Superior Court of California, County of Mendocino | 1998–2011 |
| J. J. Mayfield | Ala. | 1909–1920 |
| James J. Mayfield | Ala. | 1954–1956 |
| Melvin Mayfield | Ark. Ct. App. | 1983–1996 |
| William A. Mayhew | Superior Court of California, County of Stanislaus | 2000–2002 |
| Elliott E. Maynard | W. Va. | 1997–2008 |
| Shaniek Mills Maynard | S.D. Florida | 2017– |
| Samuel H. Mays Jr. | W.D. Tennessee | 2002– |
| Lela Lawrence Mays | Texas 283rd District Court | – |
| Lynn Stewart Mays | Circuit Court for Baltimore City | – |
| Richard L. Mays | Ark. | 1980–1980 |
| Corey Landon Maze | N.D. Alabama | 2019– |
| Leslie Maze | West Virginia Circuit Court | – |
| Jil Mazer-Marino | Bankr. E.D. New York | 2020– |
| John David Mazurek | Superior Court of California, County of San Bernardino | 2006– |
| Amos Louis Mazzant III | E.D. Texas | 2014– |
| Timothy P Mazzei | New York Supreme Court, 10th Judicial District | – |
| Alecia J Mazzo | Monroe County Family Court | – |
| A. David Mazzone | D. Massachusetts | 1978–2004 |
| Carl J. Mazzone | Cuyahoga County Court of Common Pleas | – |
| James P. Mazzone | N.D. West Virginia | 2018– |
| Samuel T. McAdam | Superior Court of California, County of Yolo | 2008–2020 |
| William H., Jr. McAdam | Superior Court of California, County of San Diego | 2003–2013 |
| Richard J. Mcadams | Cal. Ct. App. | 1998–2011 |
| Thomas McAdams | Milwaukee County Circuit Court | – |
| Scott F. McAfee | Superior Court of Georgia, Atlanta Judicial Circuit | – |
| Jennifer McAffrey | Ottawa County District Court | – |
| Chris Marie McAliley | S.D. Florida | 2004– |
| Archibald G. McAlister | Ariz. | 1921–1945 |
| Coleman J. McAllister | 5th Judicial District Court | – |
| Lorna J McAllister | New York Supreme Court, 2nd Judicial District | – |
| Michael McAllister | Franklin County Municipal Court | – |
| Ryan T McAllister | Schoharie County Court | – |
| Thomas Francis McAllister | Sixth Circuit | 1941–1976 |
| William M. McAllister | Or. | 1956–1976 |
| Patrick Mcanany | Kan. Ct. App. | 2004– |
| William E. McAnulty Jr. | Ky. | 2006–2007 |
| Barbara McAuliffe | E.D. California | 2011– |
| John F. McAuliffe | Md. | 1985–1993 |
| John F. McAuliffe | Md. App. Ct. | 1985–1993 |
| Michael J. McAuliffe | Circuit Court for Montgomery County | – |
| Steven J. McAuliffe | D. New Hampshire | 1992– |
| James G McAuliffeJr | Fulton County Family Court | – |
| Thomas James McAvoy | N.D. New York | 1986– |
| Veronica McBeth | Superior Court of California, County of Los Angeles | 2000–2004 |
| Neal W. McBrayer | Tenn. Ct. App. | 2013– |
| Bemon G. McBride | Superior Court of Georgia, Chattahoochee Judicial Circuit | – |
| Floyd McBride | Mo. Ct. App. | 1984–1986 |
| James J. McBride | Superior Court of California, County of San Francisco | 1998–2015 |
| Joseph A McBride | New York Supreme Court, 6th Judicial District | – |
| Kimberly C. McBride | Circuit Court for Baltimore City | – |
| Leonard H. McBride | Superior Court of California, County of Orange | 1979–1991 |
| Robert W. McBride | Ind. | 1890–1893 |
| Thomas D. McBride | Pa. | 1958–1959 |
| Peter J. McBrien | Superior Court of California, County of Sacramento | 1989–2014 |
| John H. McBryde | N.D. Texas | 1990–2022 |
| Brian L. McCabe | Superior Court of California, County of Merced | 2004–2016 |
| Cateria R. McCabe | Court of Common Pleas of Philadelphia County | – |
| James McCabe | Ind. | 1893–1899 |
| Lucy Kelly McCabe | Superior Court of California, County of San Francisco | 1983–1999 |
| Thomas P. McCabe | Court of Common Pleas of Chester County | – |
| Landya B. McCafferty | D. New Hampshire | 2013– |
| Daniel D. McCaffery | Pa. | – |
| Seamus P. McCaffery | Pa. | 2008–2014 |
| Seamus P. McCaffery | Pa. Super. Ct. | 2003–2007 |
| Gregory J McCaffrey | New York Court of Claims | – |
| David McCain | Fla. Dist. Ct. App. | 1971–1973 |
| David L. McCain | Fla. | 1970–1975 |
| Gordon "Mack" McCain | Fifth Judicial Circuit Court | – |
| E. Howard MCCALEB | La. | 1947–1972 |
| Theodore Howard McCaleb | E.D. Louisiana | 1841–1861 |
| Daniel T. McCall Jr. | Ala. | 1969–1975 |
| Abner V. McCall | Tex. | 1956–1956 |
| Brad McCall | 5th Judicial District Court | – |
| John Ethridge McCall | W.D. Tennessee | 1905–1920 |
| Jon Phipps McCalla | W.D. Tennessee | 1992–2026 |
| Robert R. McCallen III | Wabash Circuit Court | – |
| Sharon McCally | Tex. App. | 2010– |
| Wallace McCamant | Ninth Circuit | –1926 |
| J. Brad McCampbell | Texas 402nd District Court | – |
| Cheveda D. McCamy | Superior Court of Georgia, Alcovy Judicial Circuit | – |
| Wilson McCandless | W.D. Pennsylvania | 1859–1876 |
| Paula McCandlis | W.D. Washington | 2016– |
| George F. McCanless | Tenn. | 1969–1992 |
| Bridgid Moira McCann | Superior Court of California, County of San Bernardino | 2009– |
| Mark Alan McCannon | Superior Court of California, County of Alameda | 2013– |
| Charles P. McCarthy | Idaho | 1921–1925 |
| Christopher McCarthy | West Virginia Circuit Court | – |
| Christopher J McCarthy | New York Court of Claims | – |
| Eileen Songer McCarthy | New Rochelle City Court | – |
| Frank H. McCarthy | N.D. Oklahoma | 1995– |
| George P. McCarthy | Athens County Court of Common Pleas | – |
| James William McCarthy | D. New Jersey | 1929–1929 |
| Jason McCarthy | Northeast Central Judicial District Court | – |
| Jeremiah J. McCarthy | W.D. New York | 2007– |
| Judith C. McCarthy | S.D. New York | 2014– |
| Mathew K McCarthy | Steuben County Court | – |
| Owen C. McCarthy | Superior Court of New Jersey, Monmouth Vicinage | – |
| Timothy P. Mccarthy | Fla. Dist. Ct. App. | 1998–2014 |
| William E. Mccarthy | N.Y. App. Div. | 2006– |
| William T. McCarthy | D. Massachusetts | 1949–1964 |
| Donald A. McCartin | Superior Court of California, County of Orange | 1978–1993 |
| Michael Sterling McCartin | Superior Court of California, County of Orange | 1998– |
| Alison McCarty | Summit County Court of Common Pleas | – |
| David Neil McCarty | Miss. Ct. App. | 2019– |
| Francis McCarty | Superior Court of California, County of San Francisco | 1978–1978 |
| James A McCartyJr | New York Supreme Court, 9th Judicial District | – |
| Debra R. McCaslin | South Carolina Circuit Court | – |
| Michael McCauley | Texas 28th District Court | – |
| Henry Kent McCay | N.D. Georgia | 1882–1886 |
| Guyte P. McCcord Jr. | Fla. Dist. Ct. App. | 1974–1982 |
| James P. McClain | Superior Court of New Jersey, Atlantic/Cape May Vicinage | – |
| Laura McClain | Garvin County District Court | – |
| Elizabeth A. McClanahan | Va. | 2011 |
| Elizabeth A. McClanahan | Va. Ct. App. | 2003–2011 |
| Kevin C McClanahan | New York City Housing Court, Kings County | – |
| John Westley McClarty | Tenn. Ct. App. | 2009– |
| Thomas N. McClellan | Ala. | 1889–1923 |
| Charles Paul McClelland | Customs Ct. | 1926–1939 |
| Enos C. McClendon Jr. | La. Ct. App. | 1960–1978 |
| Jamie McClendon | Racine County Circuit Court | – |
| John J. McClendon | Texas 137th District Court | – |
| Jacqueline S. McClenney | Richmond Circuit Court | – |
| George Warwick McClintic | S.D. West Virginia | 1921–1942 |
| Archie G. McClintock | Wyo. | 1973–1981 |
| Chase G. McClister | Court of Common Pleas of Armstrong County | – |
| Eugene McCloskey | Cal. Ct. App. | 1977–1990 |
| Thomas D. McCloskey | Superior Court of New Jersey, Middlesex Vicinage | – |
| Eugene McClosky | Cal. Ct. App. | 1976–1990 |
| Brian C. McCloud | Greenup & Lewis Circuit Court | – |
| Sheryl Gordon McCloud | Wash. | 2013– |
| James McClure III | 17th Circuit Court District | – |
| Jesse F. McClure III | Tex. Crim. App. | 2021– |
| James Focht McClure Jr. | M.D. Pennsylvania | 1990–2010 |
| Ann Crawford McClure | Tex. App. | 1995– |
| James P McClusky | New York Supreme Court, 5th Judicial District | – |
| Kayla Dye May McClusky | W.D. Louisiana | 2021– |
| William E. McClusky | N.Y. App. Div. | 1960–1967 |
| Claude Charles McColloch | D. Oregon | 1937–1959 |
| Louis Emory McComas | D.C. Circuit | 1905–1907 |
| Marshall F. McComb | Cal. | 1956–1977 |
| Marshall F. McComb | Cal. Ct. App. | 1937–1955 |
| Dennis A. McConaghy | Superior Court of California, County of Riverside | 1998–2007 |
| John James McConnell Jr. | D. Rhode Island | 2011– |
| Judith Dobson McConnell | Cal. Ct. App. | 1983– |
| Michael W. McConnell | Tenth Circuit | 2002–2009 |
| Regina McConnell | Eighth Judicial District Court | – |
| Thomas Sean McConville | Superior Court of California, County of Orange | 2018– |
| Chris McCool | Ala. | – |
| Andrea K. McCord | Bankr. S.D. Indiana | 2019– |
| David L. McCord | Henry Circuit Court | – |
| Leon Clarence McCord | Fifth Circuit | 1938–1952 |
| Bridget McCormack | Mich. | 2011– |
| James P McCormack | New York Supreme Court, 10th Judicial District | – |
| Joseph A McCormack | New York City Criminal Court, Bronx County | – |
| Marie F McCormack | Nassau County District Court | – |
| Michael McCormack | Neb. | 1997 |
| Stacy Wiederle McCormack | Circuit Court for Anne Arundel County | – |
| Andrew Phelps McCormick | Fifth Circuit | 1892–1916 |
| David McCormick | Fifteenth Judicial Circuit Court | – |
| Douglas F. McCormick | C.D. California | 2013– |
| Kevin James McCormick | Superior Court of California, County of Sacramento | 2007– |
| Mark McCormick | Iowa | 1972–1986 |
| Melissa R. McCormick | Superior Court of California, County of Orange | 2015– |
| Michael Jerry McCormick | Tex. Crim. App. | 1981–2000 |
| Paul John McCormick | S.D. California | 1924–1960 |
| Terence W Mccormick | New York City Civil Court, New York County | – |
| Timothy P. McCormick | Cuyahoga County Court of Common Pleas | – |
| Thomas McCoun III | M.D. Florida | 1994–2018 |
| Hale McCown | Neb. | 1965–1983 |
| Andrew T. McCoy | Clinton County Court of Common Pleas | – |
| Charles W., Jr. McCoy | Superior Court of California, County of Los Angeles | 2009–2010 |
| Jennifer B. McCoy | South Carolina Circuit Court | – |
| Kevin F Mccoy | D. Alaska | 2014– |
| LaRonda Joyce McCoy | Superior Court of California, County of Los Angeles | 2016– |
| Mac R. McCoy | M.D. Florida | 2015– |
| Michele McKay McCoy | Superior Court of California, County of Santa Clara | 2007–2020 |
| Susan H. McCoy | Texas 153rd District Court | – |
| Walter Irving McCoy | D.D.C. | 1914–1929 |
| JoAnne McCracken | Superior Court of California, County of Santa Clara | 2010– |
| Jennifer S. McCrady | Court of Common Pleas of Allegheny County | – |
| Piper McCraw | Texas 469th District Court | – |
| Wade Hampton McCree Jr. | Sixth Circuit | 1966–1977 |
| Elizabeth Gordon McCrodden | N.C. Ct. App. | 1993–1994 |
| Joseph R Mccrorey | D. South Carolina | 1991–2011 |
| Barbara W. McCrory | Rock County Circuit Court | – |
| J. Bradford McCullough | Circuit Court for Montgomery County | – |
| John Douglas McCullough | N.C. Ct. App. | 2011– |
| Patricia A. McCullough | Pa. Commw. Ct. | 2010– |
| Stephen R. McCullough | Va. Ct. App. | 2011– |
| Steven E. McCullough | East Central Judicial District Court | – |
| Donald P. McCullum | Superior Court of California, County of Alameda | 1977–1988 |
| Barron Patterson McCune | W.D. Pennsylvania | 1970–2008 |
| Marc McCune | Twenty-First Judicial Circuit Court | – |
| Matthew T. McCune | Court of Common Pleas of Butler County | – |
| William Mccurine | S.D. California | 2004–2014 |
| Francis D. McCurn | N.Y. App. Div. | 1940–1959 |
| Neal Peters McCurn | N.D. New York | 1979–2014 |
| John F. McCuskey | W. Va. | 1998–1998 |
| Michael McCuskey | Ill. App. Ct. | 1988–2014 |
| Michael Patrick McCuskey | C.D. Illinois | 1998–2014 |
| Charles J. McCutchen | South Carolina Circuit Court | – |
| Joe Billy McDade | C.D. Illinois | 1991– |
| Brian A. McDaniel | Superior Court of Georgia, Southern Judicial Circuit | – |
| F. Douglas McDaniel | Cal. Ct. App. | 1974–1990 |
| Franklin D. McDaniel | Cal. Ct. App. | 1974–1990 |
| Frederic McDaniel | Superior Court of New Jersey, Union Vicinage | – |
| Jeffrey C. McDaniel | 7th Judicial District Court | – |
| Katherine McDaniel | Texas 498th District Court | – |
| Kevin McDaniel | Tippecanoe Superior Court | – |
| Robert E. McDaniel | Superior Court of California, County of Kern | 2000–2006 |
| Tracy McDaniel | Pottawatomie County District Court | – |
| George Thomas McDermott | Tenth Circuit | 1929–1937 |
| James T. McDermott | Pa. | 1982–1992 |
| John E. McDermott | C.D. California | 2009– |
| Marissa McDermott | Lake Circuit Court | – |
| Matthew McDermott | Iowa | 2020– |
| Charles F. McDevitt | Idaho | 1989–1997 |
| Francis M. McDonald Jr. | Conn. | 1996–2001 |
| William Thomas McDonald Sr. | Superior Court of California, County of Orange | 1986–2001 |
| Alan Angus McDonald | E.D. Washington | 1985–2007 |
| Alex C. McDonald | Cal. Ct. App. | 1995–2016 |
| Andrew J. McDonald | Conn. | – |
| Brian McDonald | King County Superior Court | – |
| Christopher McDonald | Iowa | – |
| David McDonald | D. Indiana | 1864–1869 |
| Deborah McDonald | Miss. Ct. App. | 2019– |
| Gabrielle Anne Kirk McDonald | S.D. Texas | 1979–1988 |
| Gary McDonald | Thirteenth Judicial Circuit Court | – |
| Gary R. McDonald | Mich. Ct. App. | 1987–2003 |
| Kevin McDonald | D. South Carolina | 2010– |
| Michael McDonald | La. Ct. App. | 2003– |
| Parker L. McDonald | Fla. | 1979–1994 |
| Randy A. McDonald | Texas 344th District Court | – |
| Robert A McDonald | New York Supreme Court, 10th Judicial District | – |
| Robert N. McDonald | Md. | 2012 |
| Stephanie Pendarvis McDonald | S.C. Ct. App. | 2014– |
| Traci L. McDonald | Court of Common Pleas of Washington County | – |
| V. Gene McDonald | Superior Court of California, County of San Mateo | 1979–1997 |
| James A McDonaugh | Suffolk County District Court | – |
| Janet M McDonnell | New York City Criminal Court, New York County | – |
| Anne C. McDonough | Cuyahoga County Court of Common Pleas | – |
| Kevin C. McDonough | Butler County Court #2 | – |
| R. C. McDonough | Mont. | 1987–1993 |
| Roger D McDonough | New York Court of Claims | – |
| Roger I. McDonough | Utah | 1939–1966 |
| Travis Randall McDonough | E.D. Tennessee | 2015– |
| Lisa A. McDougal | Richland County Circuit Court | – |
| Christopher R. McDowell | Hamilton County Court of Common Pleas | – |
| Henry Clay McDowell | W.D. Virginia | 1901–1933 |
| John McDuffie | S.D. Alabama | 1935–1950 |
| Rashied H McDuffie | Erie County Court | – |
| Richard A. McEachen | Superior Court of California, County of Shasta | 1989–2007 |
| Timothy P McElduffJr | Orange County Surrogate's Court | – |
| Darren McElfresh | Superior Court of California, County of Del Norte | 2015–2023 |
| Robert P. McElhany | Superior Court of California, County of Placer | 2005–2012 |
| Mary Susan McElroy | D. Rhode Island | 2019– |
| Taylor H. McElroy | Miss. | 1960–1962 |
| Patrick A. McElyea | 7th Judicial District Court | – |
| Rienne McElyea | Eighteenth Judicial District Court | – |
| Tammy S. McElyea | Wise Circuit Court | – |
| Edward Matthew McEntee | First Circuit | 1965–1981 |
| Lisa K. Fair McEvers | N.D. | – |
| Timothy J. McEvoy | Fairfax Circuit Court | – |
| Leonard McEwan | Wyo. | 1969–1975 |
| Catherine Peek McEwen | Bankr. M.D. Florida | 2005– |
| D. Neil McEwen | Court of Common Pleas of Mercer County | – |
| Christopher McFadden | Ga. Ct. App. | 2011– |
| Frank Hampton McFadden | N.D. Alabama | 1969–1982 |
| Joseph J. McFadden | Idaho | 1959–1982 |
| Linda Ann McFadden | Superior Court of California, County of Stanislaus | 2003– |
| Patrick McFadden | Idaho District Court | – |
| Trevor Neil McFadden | D.D.C. | 2017– |
| George M. McFaddin Jr. | South Carolina Circuit Court | – |
| Ed F. McFaddin | Ark. | 1943–1966 |
| Ernest W. McFarland | Ariz. | 1965–1971 |
| Janet L McFarland | New York County Family Court | – |
| John D. McFarland | Superior Court of California, County of Riverside | 1975–1984 |
| Kay McFarland | Kan. | 1977–1995 |
| Matthew Walden McFarland | S.D. Ohio | 2019– |
| Thomas B. McFarland | Cal. | 1887–1908 |
| R. Bruce McFarling | Texas 362nd District Court | – |
| James Edward McFetridge | Superior Court of California, County of Sacramento | 2006– |
| Allison M McGahay | New York Supreme Court, 4th Judicial District | – |
| Margaret Dee Mcgarity | Bankr. E.D. Wisconsin | 1987–2015 |
| Frank James McGarr | N.D. Illinois | 1970–1988 |
| Joseph Charles McGarraghy | D.D.C. | 1954–1975 |
| James R. McGarry | Henry Circuit Court | – |
| Raymond McGarry | Court of Common Pleas of Montgomery County | – |
| Thomas W. McGee III | South Carolina Circuit Court | – |
| Daniel McGee | Idaho District Court | – |
| John Franklin McGee | D. Minnesota | 1923–1925 |
| Kevin J. McGee | Superior Court of California, County of Ventura | 1999–2010 |
| Linda M. McGee | N.C. Ct. App. | 1995– |
| Sears McGee | Tex. | 1969–1986 |
| A. Harvey McGehee | Miss. | 1937–1964 |
| James Bliss McGhee | N.M. | 1947–1960 |
| Paul McGhee | Mo. Ct. App. | 2006–2010 |
| Lenard M. McGillivray | Superior Court of California, County of Kern | 1983–1997 |
| Leo F. McGinity | N.Y. App. Div. | 1996–2003 |
| Bernard L. McGinley | Pa. Commw. Ct. | 2008– |
| Mary C. McGinley | Court of Common Pleas of Allegheny County | – |
| William E. McGinley | Superior Court of California, County of Los Angeles | 1972–1989 |
| Sara W McGinty | Ulster County Surrogate's Court | – |
| Arthur A. McGiverin | Iowa | 1978–2000 |
| Bruce J. McGiverin | D. Puerto Rico | 2007– |
| Owen McGivern | N.Y. App. Div. | 1967–1975 |
| William Thomas, Jr. McGivern | Superior Court of California, County of Marin | 1998–2004 |
| Joseph Leo McGlynn Jr. | E.D. Pennsylvania | 1974–1999 |
| Matthew C. McGlynn | Superior Court of California, County of Tehama | 2013–2022 |
| Stephen Patrick McGlynn | S.D. Illinois | 2020– |
| Erin M McGoey | Westchester County Court | – |
| John F. X. McGohey | S.D. New York | 1950–1972 |
| Theresa Raphael McGonigle | Superior Court of California, County of Los Angeles | 2018– |
| Beverly K. McGookey | Erie County Court of Common Pleas, General, Domestic Relations | – |
| Hugh F. McGough | Court of Common Pleas of Allegheny County | – |
| William J. McGovern III | Superior Court of New Jersey, Morris/Sussex Vicinage | – |
| Kyle C McGovern | New York Supreme Court, 9th Judicial District | – |
| Walter Thomas McGovern | W.D. Washington | 1971–2021 |
| Walter Thomas McGovern | Wash. | 1968–1971 |
| Carl E. McGowan | D.C. Circuit | 1963–1987 |
| Lisa D. McGowan | Lucas County Court of Common Pleas | – |
| Richard P. McGowan | Douglas County District Court | – |
| Beth Ann R. McGowen | Superior Court of California, County of Santa Clara | 2009– |
| James Patrick McGranery | E.D. Pennsylvania | 1946–1952 |
| Charles R. McGrath | Superior Court of California, County of Ventura | 1979–1997 |
| Christopher T McGrath | New York Supreme Court, 10th Judicial District | – |
| Karin McGrath | Kosciusko Superior Court | – |
| Mike McGrath | Mont. | 2009–2016 |
| Patrick M. McGrath | Ohio Ct. App. | 2005–2011 |
| Robert G. McGrath | Superior Court of California, County of Contra Costa | 1982–1999 |
| William J., Jr. McGrath | Superior Court of California, County of San Diego | 1998–2014 |
| Kevin B McGrathJr | New York City Criminal Court, New York County | – |
| Darrell V. McGraw Jr. | W. Va. | 1977–1988 |
| Vincent J. McGraw | Superior Court of California, County of Fresno | 1998–2002 |
| Warren R. McGraw | W. Va. | 1999–2004 |
| Peter R Mcgreevy | Suffolk County Court | – |
| John F. McGregor | Superior Court of California, County of Santa Barbara | 2012– |
| Louis D. McGregor | Mich. Ct. App. | 1965–1976 |
| Ruth V. McGregor | Ariz. | 1998–2009 |
| Nicole A McGregorMundy | New York Court of Claims | – |
| Rachel T. McGuckian | Circuit Court for Montgomery County | – |
| Brian T. McGuffin | Court of Common Pleas of Bucks County | – |
| Robert Denis McGuiness | Superior Court of California, County of Alameda | 2005– |
| William R. McGuiness | Cal. Ct. App. | 1986–2017 |
| Seán P. McGuinness | Connecticut Superior Court | – |
| E. Warren McGuire | Superior Court of California, County of Marin | 1968–1988 |
| James McGuire | Superior Court of California, County of San Bernardino | 1989–2009 |
| John J. McGuire | Ariz. Ct. App. | 2011– |
| Lynne McGuire | Cleveland County District Court | – |
| Matthew Francis McGuire | D.D.C. | 1941–1986 |
| Rosemary Therese McGuire | Superior Court of California, County of Fresno | 2010– |
| Katherine A McGuirl | Schenectady City Court | – |
| Melinda H McGunnigle | Onondaga County Court | – |
| John F McHale | King County Superior Court | – |
| Edgar L. McHaney | Ark. | 1927–1948 |
| Kenneth S Mchargh | N.D. Ohio | 2004–2016 |
| Gerald Austin McHugh Jr. | E.D. Pennsylvania | 2014– |
| Carolyn B. McHugh | Utah Ct. App. | 2005–2013 |
| Carolyn Baldwin McHugh | Tenth Circuit | 2014– |
| Raymond F. McHugh | Court of Common Pleas of Bucks County | – |
| Thomas E. McHugh | W. Va. | 1981–2012 |
| William Douglas McHugh | D. Nebraska | –1897 |
| John Wilson McIlvaine | W.D. Pennsylvania | 1955–1963 |
| Rolleen Kent McIlwrath | Superior Court of California, County of San Joaquin | 1998–2003 |
| Rooney McInerney | Okla. | 1967–1972 |
| John S. McInerny | Superior Court of California, County of Santa Clara | 1966–1991 |
| J Frank McInnis | La. Ct. App. | 1945–1946 |
| Michael L. McInnis | Superior Court of California, County of Solano | 1979–1991 |
| Joan L. McIntosh | Superior Court of California, County of Fresno | 1998–1999 |
| McQueen McIntosh | N.D. Florida | 1856–1861 |
| R. L. McIntosh | South Carolina Circuit Court | – |
| Stephen L. McIntosh | Franklin County Court of Common Pleas | – |
| Janice M. McIntyre | Superior Court of California, County of Riverside | 1998–2003 |
| John J. McIntyre | Wyo. | 1961–1974 |
| Robert J. McIntyre | Superior Court of California, County of Riverside | 1990–2010 |
| Marci B. McIvor | Bankr. E.D. Michigan | 2003– |
| Ronda Jeanne McKaig | Superior Court of California, County of Ventura | 2018– |
| James McKay | La. Ct. App. | 1998– |
| Julie M McKay | Spokane County Superior Court | – |
| Monroe G. McKay | Tenth Circuit | 1977–2020 |
| Patti Jo McKay | Superior Court of California, County of Los Angeles | 2000– |
| David William McKeague | Sixth Circuit | 2005– |
| Craig M. McKee | S.D. Indiana | 2007– |
| Douglas A. McKee | Superior Court of California, County of Los Angeles | 1984–1996 |
| Larry G. McKee | Superior Court of California, County of Kings | 1981–1984 |
| Maureen McKee | King County Superior Court | – |
| Monique D. McKee | Superior Court of California, County of Shasta | 2014–2019 |
| Robert Scott McKee | Texas 392nd District Court | – |
| Teresa M. McKee | D. Wyoming | 2006– |
| Theodore Alexander McKee | Third Circuit | 1994– |
| Charles Louis McKeehan | E.D. Pennsylvania | 1923–1925 |
| Kevin McKeever | 6th Judicial District Court | – |
| Kelly S McKeighan | Washington County Court | – |
| Sandra Faithfull McKeith | Superior Court of California, County of Santa Clara | 1998–1999 |
| Piper F. McKeithen | Circuit Court for Baltimore City | – |
| Steve McKeithen | Tex. App. | 2002– |
| Roderick R. McKelvie | D. Delaware | 1992–2002 |
| Joseph McKenna | Supreme Court | 1898–1925 |
| Lawrence M. McKenna | S.D. New York | 1990–2023 |
| Sabrina S. McKenna | Haw. | 2011– |
| Thomas F. McKenna | N.M. | 1970–1970 |
| Kevin E. McKenney | Superior Court of California, County of Santa Clara | 1998–2014 |
| Todd M. McKenney | Barberton Municipal Court | – |
| Edlene Christine McKenzie-Clay | Superior Court of California, County of San Diego | 2017– |
| M. Margaret McKeown | Ninth Circuit | 1998– |
| Howard D. McKibben | D. Nevada | 1984– |
| Winton McKibben | Superior Court of California, County of Alameda | 1976–1989 |
| Joseph H. McKinley Jr. | W.D. Kentucky | 1995– |
| John McKinley | Supreme Court | 1837–1852 |
| Steven McKinley | Richland County Court of Common Pleas | – |
| Patrick Richard McKinney II | Superior Court of California, County of Alameda | 2019– |
| John McKinney | S.D. Florida | 1871–1871 |
| John T. McKinney | Ind. | 1831–1837 |
| Larry J. McKinney | S.D. Indiana | 1987–2017 |
| Elliott McKinnis | Tippecanoe Superior Court | – |
| Daniel A. McKinnon III | N.M. | 1997–1998 |
| Laurie McKinnon | Mont. | 2013– |
| William A. McKinnon | South Carolina Circuit Court | – |
| Art Wilkie McKinster | Cal. Ct. App. | 1990– |
| E. W. McKinstry | Cal. | 1874–1888 |
| William A. McKinstry | Superior Court of California, County of Alameda | 1989–2006 |
| Peter C. McKittrick | Bankr. D. Oregon | 2015– |
| H[arold] Brent McKnight | W.D. North Carolina | 2003–2004 |
| Jeff E. McKnight | Texas 30th District Court | – |
| Kelly J. McKnight | Ashland County Circuit Court | – |
| Vincent L. McKusick | Me. | 1977–1992 |
| C Ian McLachlan | Conn. App. Ct. | 2003–2009 |
| C. Ian McLachlan | Conn. | 2009–2012 |
| J. William McLafferty | Superior Court of California, County of Santa Barbara | 2008–2008 |
| Richard Wellington McLaren | N.D. Illinois | 1972–1976 |
| Denise M. McLaughlin-Bennett | Superior Court of California, County of Los Angeles | 2010– |
| Brian McLaughlin | Superior Court of New Jersey, Mercer Vicinage | – |
| Brian E. McLaughlin | Court of Common Pleas of Philadelphia County | – |
| Charles Francis McLaughlin | D.D.C. | 1950–1976 |
| Debra McLaughlin | West Virginia Circuit Court | – |
| Dennis James McLaughlin | Superior Court of California, County of Alameda | 1998– |
| Dorothy Rebecca McLaughlin | Superior Court of California, County of Riverside | 2018– |
| Gerald McLaughlin | Third Circuit | 1943–1977 |
| Joseph Michael McLaughlin | Second Circuit | 1990–2013 |
| Kelly L. McLaughlin | Summit County Court of Common Pleas | – |
| Linda Hodge McLaughlin | C.D. California | 1992–1999 |
| Linda Hodge McLaughlin | Superior Court of California, County of Orange | 1982–1992 |
| Lucinda Mclaughlin | Superior Court of New Jersey, Hudson Vicinage | – |
| Marcella O. McLaughlin | Superior Court of California, County of San Diego | 2018– |
| Mary A. McLaughlin | E.D. Pennsylvania | 2000–2020 |
| Michael J. McLaughlin | Superior Court of California, County of El Dorado | 2018– |
| Sally A. McLaughlin | Dearborn Superior Court | – |
| Sean J. McLaughlin | W.D. Pennsylvania | 1994–2013 |
| Shawn P. McLaughlin | Court of Common Pleas of Lancaster County | – |
| Stephanie A. McLaughlin | Connecticut Superior Court | – |
| John C. McLaurin Jr. | 20th Chancery Court District | – |
| Natasha Mclaurin | Superior Court of New Jersey, Camden Vicinage | – |
| Edward Cochrane McLean | S.D. New York | 1962–1972 |
| John McLean | Supreme Court | 1829–1861 |
| Sandra Lynn McLean | Superior Court of California, County of Butte | 2005– |
| William Campbell McLean | Miss. | 1911–1912 |
| Roy W. McLeese III | D.C. | – |
| Hugh Dean McLellan | D. Massachusetts | 1932–1941 |
| Lawrence P. McLellan | 5th Judicial District Court | – |
| Walton J. McLeod IV | South Carolina Circuit Court | – |
| Ingrid McLeod | Pierce County Superior Court | – |
| Nabeela Mcleod | Rockland County Family Court | – |
| Henry Mclver | S.C. | 1877–1903 |
| Joshua McMahan | Howard Superior Court | – |
| Colleen McMahon | S.D. New York | 1998– |
| Michael McMahon | First Judicial District Court | – |
| Patrick L. McMahon | Superior Court of California, County of Santa Barbara | 1983–1997 |
| Rory A McMahon | New York Supreme Court, 5th Judicial District | – |
| Shawn T. McMahon | Court of Common Pleas of Elk & Cameron Counties | – |
| Kevin R. McManaman | Lancaster County District Court | – |
| Marcy McMann | Superior Court of New Jersey, Morris/Sussex Vicinage | – |
| John B. McManus Jr. | N.M. | 1971–1979 |
| Clarence E. McManus | La. Ct. App. | 2006–2012 |
| Edward Joseph McManus | N.D. Iowa | 1962–2017 |
| Julie A. McManus | Superior Court of California, County of Nevada | 2005–2012 |
| Michael S Mcmanus | Bankr. E.D. California | 1994–2019 |
| William C. McMaster III | South Carolina Circuit Court | – |
| James M. McMaster | Court of Common Pleas of Bucks County | – |
| Loren E. McMaster | Superior Court of California, County of Sacramento | 1999–2010 |
| Patiricia McMath | Marion Superior Court | – |
| Richard McMechan | Superior Court of California, County of Mariposa | 1987–2001 |
| Byron K. McMillan | Superior Court of California, County of Orange | 1965–1984 |
| Henry Ward McMillan | Ala. Crim. App. | 1985–2007 |
| James Bryan McMillan | W.D. North Carolina | 1968–1995 |
| Robert Johnston McMillan | W.D. Texas | 1932–1941 |
| Thomas Roberts McMillen | N.D. Illinois | 1971–1985 |
| Carla McMillian | Ga. Ct. App. | 2013– |
| Theodore McMillian | Eighth Circuit | 1978–2006 |
| Roger McMillin | Miss. Ct. App. | 1994–2004 |
| Brandy Renée McMillion | E.D. Michigan | 2023– |
| Christine T. McMonagle | Ohio Ct. App. | 2005–2011 |
| Mary Ann McMorrow | Ill. App. Ct. | 1985–1992 |
| Mary Ann G. McMorrow | Ill. | 1992–2006 |
| Camille R. McMullen | Tenn. Crim. App. | 2008– |
| D. Andrew McMunn | West Virginia Circuit Court | – |
| William Leroy McMurray Jr. | Ga. Ct. App. | 1976–2000 |
| Phil McClellan McNagny Jr. | N.D. Indiana | 1976–1981 |
| John McNairy | E.D. Tennessee | 1802–1833 |
| James B.M. McNally | Superior Court of California, County of Ventura | 1983–1995 |
| John Joseph McNally | Court of Common Pleas of Dauphin County | – |
| Richard J McNallyJr | New York Supreme Court, 3rd Judicial District | – |
| A. J. McNamara | E.D. Louisiana | 1982–2014 |
| Brian M. McNamara | Superior Court of California, County of Kern | 2012– |
| Joseph V. McNamara | Lucas County Court of Common Pleas | – |
| Nicholas McNamara | Dane County Circuit Court | – |
| Thomas B. McNamara | Bankr. D. Colorado | 2015– |
| Charles Joseph McNamee | N.D. Ohio | 1951–1964 |
| David M. McNamee | Xenia Municipal Court | – |
| Frank McNamee | Nev. | 1958–1965 |
| Stephen M. McNamee | D. Arizona | 1990– |
| John Hugh McNary | D. Oregon | 1927–1936 |
| Bobby W. McNatt | Superior Court of California, County of San Joaquin | 2004–2005 |
| John McNatt | Fla. Dist. Ct. App. | 1963–1967 |
| John Joseph McNaught | D. Massachusetts | 1979–1991 |
| Michael Bertram McNaughton | Superior Court of California, County of San Francisco | 2018– |
| Taylor Brantley McNeel | S.D. Mississippi | 2020– |
| John J. McNeilly Jr. | Del. | 1974–1986 |
| Daniel Barrett McNerney | Superior Court of California, County of Orange | 2001–2016 |
| Raymond Clyne McNichols | D. Idaho | 1964–1985 |
| Robert James McNichols | E.D. Washington | 1979–1993 |
| Timothy J. McNicol | Columbiana County Municipal Court | – |
| Peter J Mcniff | Bankr. D. Wyoming | 1994– |
| Joseph P. McNulty | Fla. Dist. Ct. App. | 1969–1977 |
| Kevin McNulty | D. New Jersey | 2012– |
| Michael E. McNulty | La. Ct. App. | 1976–1987 |
| Charles P. McNutt | Superior Court of California, County of Kern | 2000–2007 |
| John W. McOwen | Superior Court of California, County of Orange | 1998–2001 |
| John N McPadden | New York City Criminal Court, Kings County | – |
| Roberta McPeters | Superior Court of California, County of San Bernardino | 2001–2001 |
| John Bayard McPherson | Third Circuit | 1912–1919 |
| Smith McPherson | S.D. Iowa | 1900–1915 |
| Richard B. McQuade Jr. | N.D. Ohio | 1986–1989 |
| Henry F. McQuade | Idaho | 1956–1976 |
| Robert A. McQuaid Jr. | D. Nevada | 1996– |
| Charles G Mcquair | Nassau County District Court | – |
| Catherine H. McQueen | Circuit Court for Montgomery County | – |
| Robert Malcolm McRae Jr. | W.D. Tennessee | 1966–2004 |
| William Allan McRae Jr. | M.D. Florida | 1962–1973 |
| Charles R. McRae | Miss. | 1991–2004 |
| James Clark McReynolds | Supreme Court | 1914–1941 |
| Heather K. McShain | N.D. Illinois | 2020– |
| Eddie J McShan | New York Supreme Court, 12th Judicial District | – |
| Eddie J. McShan | N.Y. App. Div. | 2020– |
| Katherine E. McShane | Court of Common Pleas of Dauphin County | – |
| Michael Jerome McShane | D. Oregon | 2013– |
| Peter A. McShane | Connecticut Superior Court | – |
| Don McSpadden | Sixteenth Judicial Circuit Court | – |
| John T. McVay Jr. | Court of Common Pleas of Allegheny County | – |
| Terrence F. McVerry | W.D. Pennsylvania | 2002–2021 |
| Kenneth E. McVey III | Vigo Superior Court | – |
| Kristen McVey | Tippecanoe Superior Court | – |
| Nelson McVicar | W.D. Pennsylvania | 1928–1960 |
| Jason D. McVicker | Grant Superior Court | – |
| William J. McVittie | Superior Court of California, County of Los Angeles | 1980–2000 |
| Robert H. McWilliams Jr. | Colo. | 1961–1970 |
| Robert Hugh McWilliams Jr. | Tenth Circuit | 1970–2013 |
| William J. McWilliams | Md. | 1965–1974 |
| Amy Clark Meachum | Texas 201st District Court | – |
| Andrew M. Mead | Me. | 2007– |
| John J. Mead | Court of Common Pleas of Erie County | – |
| Jeffrey Meade | Gibson Circuit Court | – |
| William Meade | Mass. App. Ct. | 2006–2011 |
| Scott Meaders | Comanche County District Court | – |
| Argaret Meads | Ark. Ct. App. | 1998–1999 |
| Matthew L. Meagher | Court of Common Pleas of Wayne County | – |
| Thomas Francis Meaney | D. New Jersey | 1942–1968 |
| Henry Curtis Meanor | D. New Jersey | 1974–1983 |
| Terry R. Means | N.D. Texas | 1991– |
| William W. Means | Okla. Civ. App. | 1982–1991 |
| Scott O. Mears | Court of Common Pleas of Westmoreland County | – |
| Edwin Leard Mechem | D. New Mexico | 1970–2002 |
| Missy Medary | Texas 347th District Court | – |
| Kenneth Joseph Medel | Superior Court of California, County of San Diego | 2010– |
| Maximino Medina Jr. | Connecticut Superior Court | – |
| Ada D Medina | Yonkers City Court | – |
| David M. Medina | Tex. | 2004–2013 |
| Harold Raymond Medina | Second Circuit | 1951–1980 |
| Jaclyn Medina | Superior Court of New Jersey, Bergen Vicinage | – |
| Mary A. Medler | E.D. Missouri | 1993–2012 |
| Larry Medlock | Washington Circuit Court | – |
| Mike Medlock | Twenty-First Judicial Circuit Court | – |
| Melissa Medoway | Superior Court of New Jersey, Camden Vicinage | – |
| Nadia S. Medrano | S.D. Texas | 2021– |
| Sam Medrano | Texas 409th District Court | – |
| Gary A. Medvigy | Superior Court of California, County of Sonoma | 2007–2016 |
| Cheryl Chun Meegan | Superior Court of California, County of Sacramento | 1998–2017 |
| Kathleen A. Meehan | Cal. Ct. App. | 2017– |
| Edward Roscoe Meek | N.D. Texas | 1899–1939 |
| Peter Joseph Meeka | Superior Court of California, County of Los Angeles | 2000–2013 |
| Isaac Melson Meekins | E.D. North Carolina | 1925–1946 |
| Nathan Meeks | Grant Superior Court | – |
| Perker L., Jr. Meeks | Superior Court of California, County of San Francisco | 1998–2006 |
| Pat Mehaffy | Eighth Circuit | 1963–1981 |
| Karoline Mehalchick | M.D. Pennsylvania | 2024– |
| Karoline Mehalchick | M.D. Pennsylvania | 2013– |
| Mark M. Mehalov | Court of Common Pleas of Fayette County | – |
| Richard L. Mehl | Elkhart Superior Court | – |
| William Osborne Mehrtens | S.D. Florida | 1965–1980 |
| Amit Priyavadan Mehta | D.D.C. | 2014– |
| Bill Meier | Tex. App. | 2008– |
| Jodi L. Meier | Kenosha County Circuit Court | – |
| Joseph M. Meier | Bankr. D. Idaho | 2018– |
| Judith K. Meierhenry | S.D. | 2002–2011 |
| Barbara Ann Meiers | Superior Court of California, County of Los Angeles | 2000– |
| John Vernon Meigs | Superior Court of California, County of Los Angeles | 2000–2014 |
| Heidi E. Meinzer | Alexandria Circuit Court | – |
| Stacey L. Meisel | Bankr. D. New Jersey | 2015– |
| Louis M. Meisinger | Superior Court of California, County of Los Angeles | 2008–2014 |
| Bryan C. Meismer | Dakota County District Court | – |
| Linda K Mejias | New York Court of Claims | – |
| Tucker L. Melancon | W.D. Louisiana | 1994– |
| John Melanson | Idaho District Court | – |
| John M. Melanson | Idaho Ct. App. | 2009–2011 |
| Consuelo M Melendez | New York Supreme Court, 2nd Judicial District | – |
| Eric F. Melgren | D. Kansas | 2008– |
| Lauren Melhart | Texas 360th District Court | – |
| Kenneth John Melikian | Superior Court of California, County of El Dorado | 2009– |
| Rita M Mella | New York County Surrogate's Court | – |
| Jeremy A. Mellitz | Conn. App. Ct. | 1949–1961 |
| Samuel Mellitz | Conn. | 1958–1963 |
| Matthew O. Mellor | Lancaster County District Court | – |
| Arthur Johnson Mellott | D. Kansas | 1945–1957 |
| Arthur Johnson Mellott | Tax Ct. | 1942–1945 |
| Michael Joseph Melloy | Eighth Circuit | 2002– |
| Kimberly A. Melnick | Montgomery County Court of Common Pleas | – |
| Rich Melnick | Wash. Ct. App. | 2014– |
| Sally L. Meloch | Superior Court of California, County of Los Angeles | 2010–2016 |
| Donald L. Meloche | Superior Court of California, County of San Diego | 1987–1998 |
| Colleen M. Melody | Wash. | – |
| James A. Melone | Struthers Municipal Court | – |
| Howell Webster Melton Sr. | M.D. Florida | 1977–2015 |
| Harold D. Melton | Ga. | 2005 |
| Tara Melton | Marion Superior Court | – |
| Trent Meltzer | Shelby Circuit Court | – |
| Rodney S. Melville | Superior Court of California, County of Santa Barbara | 1990–2007 |
| J. Arthur Melvin III | Waukesha County Circuit Court | – |
| Ridgely P. Melvin Jr. | Md. App. Ct. | 1974–1981 |
| Henry A. Melvin | Cal. | 1908–1920 |
| Joan Orie Melvin | Pa. | 2010–2013 |
| Joan Orie Melvin | Pa. Super. Ct. | 1997–2010 |
| Ridgely P. Melvin | Md. | 1942–1945 |
| Woodrow Melvin | Fla. Dist. Ct. App. | 1977–1979 |
| Layne Hamilton Melzer | Superior Court of California, County of Orange | 2016– |
| Mike Menahan | First Judicial District Court | – |
| David , Jr. Menary | Superior Court of California, County of Marin | 1972–1987 |
| Steven James Menashi | Second Circuit | 2019– |
| Glenn Everell Mencer | W.D. Pennsylvania | 1982–2007 |
| W A. Menchine | Md. App. Ct. | 1972–1977 |
| Samantha J. Mendenhall | Superior Court of New Jersey, Essex Vicinage | – |
| Gina Raquel Méndez-Miró | D. Puerto Rico | 2023– |
| John A. Mendez | E.D. California | 2008– |
| John A. Mendez | Superior Court of California, County of Sacramento | 2001–2008 |
| Manuel J Mendez | New York Supreme Court, 1st Judicial District | – |
| Noel Mendez | New York Court of Claims | – |
| Brady E. Mendheim Jr. | Ala. | – |
| Salvador Mendoza Jr. | Ninth Circuit | 2022– |
| Carlos Eduardo Mendoza | M.D. Florida | 2014– |
| Katherine M. Menednez | D. Minnesota | 2016– |
| Manuel Menendez Jr. | Fla. Dist. Ct. App. | 1984–2015 |
| Katherine M Menendez | D. Minnesota | 2016– |
| Katherine Marie Menendez | D. Minnesota | 2021– |
| Frank John Menetrez | Cal. Ct. App. | 2018– |
| Matthew D. Menges | Court of Common Pleas of York County | – |
| N. Christopher Menges | Court of Common Pleas of York County | – |
| Walter A. Menjivar | Connecticut Superior Court | – |
| Kenneth C. Mennemeier Jr. | Superior Court of California, County of Sacramento | 2015– |
| William G. Mennen | Superior Court of New Jersey, Somerset/Hunterdon/Warren Vicinage | – |
| Felicia A Mennin | New York City Criminal Court, New York County | – |
| Danielle L. Menning | Columbiana County Municipal Court | – |
| Kimberly Kay Menninger | Superior Court of California, County of Orange | 2003– |
| Nisha Menon | Kings County Family Court | – |
| Yamini Menon | Connecticut Superior Court | – |
| Benjamin Menor | Haw. | 1974–1983 |
| Shirley P. Mensah | E.D. Missouri | 2012– |
| Rebecca S Mensch | Beacon City Court | – |
| Henry Alvan Mentz Jr. | E.D. Louisiana | 1982–2001 |
| John F. Meola | Superior Court of New Jersey, Passaic Vicinage | – |
| Marybel Mercado-Ramirez | Superior Court of New Jersey, Passaic Vicinage | – |
| Frederick Olen Mercer | S.D. Illinois | 1956–1966 |
| John Mercer | Twentieth Judicial District Court | – |
| William Walter Mercer | D. Montana | 2025– |
| Juan M Merchan | New York Court of Claims | – |
| Orelia Eleta Merchant | E.D. New York | 2023– |
| Thomas E. Mercure | N.Y. App. Div. | 1988–2013 |
| Amanda L Meredith | Veterans Claims | 2017– |
| James Hargrove Meredith | E.D. Missouri | 1962–1988 |
| Ronald Edward Meredith | W.D. Kentucky | 1985–1994 |
| Stephen Chad Meredith | E.D. Kentucky | 2025– |
| Robert Reynold Merhige Jr. | E.D. Virginia | 1967–1998 |
| Kent Merica | Idaho District Court | – |
| Peter N. Mering | Superior Court of California, County of Sacramento | 1981–1999 |
| Robin M. Meriweather | D.D.C. | 2017– |
| Taryn A. Merkl | E.D. New York | 2021– |
| Natasha Clarise Merle | E.D. New York | 2023– |
| Anthony Merlino | Superior Court of New Jersey, Ocean Vicinage | – |
| James F Merow | Fed. Claims | 1982–2016 |
| Charles C. Merrell | Lowville Justice Court | 1999–2003 |
| Sarah A.L. Merriam | D. Connecticut | 2015– |
| Sarah Ann Leilani Merriam | Second Circuit | 2022– |
| William Matthews Merrick | D.D.C. | 1886–1889 |
| Kimberly Jeannine Merrifield | Superior Court of California, County of Butte | 2015– |
| Charles Merton Merrill | Ninth Circuit | 1959–1996 |
| Charles Merton Merrill | Nev. | 1951–1959 |
| Charles R. Merrill | Bankr. W.D. Kentucky | 2020–2034 |
| Edward F. Merrill | Superior Court of California, County of Contra Costa | 1982–1996 |
| Jane H. Merrill | South Carolina Circuit Court | – |
| Pelham J. Merrill | Ala. | 1953–1976 |
| Robert W. Merrill | Cal. Ct. App. | 1969–1996 |
| Gilbert Stroud Merritt Jr. | Sixth Circuit | 1977–2022 |
| Hilleri G. Merritt | Superior Court of California, County of Los Angeles | 2009– |
| Steven Douglas Merryday | M.D. Florida | 1992– |
| Emily M. Merski | Court of Common Pleas of Erie County | – |
| Michael Edward Mery | Texas 144th District Court | – |
| Michael R. Merz | S.D. Ohio | 1984– |
| Richard P Mesa | W.D. Texas | 1995–2013 |
| Herbert L. Meschke | N.D. | 1985–1998 |
| Shama Hakim Mesiwala | Superior Court of California, County of Sacramento | 2017– |
| Thomas Joseph Meskill | Second Circuit | 1975–2007 |
| Vincent J MessinaJr | Suffolk County Surrogate's Court | – |
| Peter Jo Messitte | D. Maryland | 1993–2025 |
| Frederick W. Messmore | Neb. | 1937–1965 |
| James F. Metcalf | D. Arizona | 2011– |
| Lee Metcalf | Mont. | 1947–1953 |
| William C. Metcalf | W.D. North Carolina | 2018– |
| Patrick M. Meter | Mich. Ct. App. | 1999– |
| Fred R., Jr. Metheny | Superior Court of California, County of Riverside | 1971–1989 |
| Mitchell J. Metropulos | Outagamie County Circuit Court | – |
| Sharon Elizabeth Mettler | Superior Court of California, County of Kern | 2000–2008 |
| Anthony J Metz | Bankr. S.D. Indiana | 1997–2012 |
| Molly Metzgar | Court of Common Pleas of Somerset County | – |
| Elizabeth A. Metzger | Fla. Dist. Ct. App. | 2006– |
| Karen Metzger | Colo. Ct. App. | 1983–2003 |
| Paul I. Metzler | Superior Court of California, County of Los Angeles | 2000–2001 |
| Petula C. Metzler | Prince William Circuit Court | – |
| Charles Miller Metzner | S.D. New York | 1959–2009 |
| Diane L. Meulemans | Waupaca County Circuit Court | – |
| Douglas V. Mewhinney | Superior Court of California, County of Calaveras | 1998–2012 |
| Bernard Stern Meyer | N.Y. | 1979–1986 |
| Cynthia K.C. Meyer | Idaho | 2023– |
| Gary E. Meyer | Superior Court of California, County of Monterey | 2000–2008 |
| Helen M. Meyer | Minn. | 2002–2012 |
| Holly Meyer | Sixteenth Judicial Circuit Court | – |
| Jay A. Meyer | Seneca County Court of Common Pleas | – |
| Jeffrey Alker Meyer | D. Connecticut | 2014–2025 |
| Judith L. Meyer | Superior Court of California, County of Los Angeles | 2006– |
| Louis B. Meyer | N.C. | 1981–1994 |
| Richard D. Meyer | Superior Court of California, County of Alpine | 2015–2020 |
| Steven P. Meyer | Tippecanoe Superior Court | – |
| Adam R Meyers | New York City Housing Court, New York County | – |
| Brian Scott Meyers | E.D. North Carolina | 2020– |
| Edward Hulvey Meyers | Fed. Claims | – |
| James W Meyers | Bankr. S.D. California | 1975–2012 |
| Kenneth J Meyers | Bankr. S.D. Illinois | 2009–2015 |
| Lawrence Meyers | Tex. Crim. App. | 1992–2016 |
| Leonard I. Meyers | Superior Court of California, County of Fresno | 1959–1987 |
| Shawn D. Meyers | Court of Common Pleas of Franklin & Fulton Counties | – |
| Bruce E. Meyerson | Ariz. Ct. App. | 1982–1986 |
| Amalia Lupe Meza | Superior Court of California, County of San Diego | 2001– |
| Victor Miceli | Superior Court of California, County of Riverside | 1986–2001 |
| James Harry Michael Jr. | W.D. Virginia | 1980–2005 |
| Joseph S. Michael | Circuit Court for Washington County | – |
| Kathryn Michael | Summit County Court of Common Pleas | – |
| M. Blane Michael | Fourth Circuit | 1993–2011 |
| Marsha D Michael | New York Supreme Court, 1st Judicial District | – |
| Terrence L. Michael | Bankr. N.D. Oklahoma | 2010– |
| Lisa Ann Michalk | Texas 221st District Court | – |
| Paul Redmond Michel | Federal Circuit | 1988–2010 |
| Adam D Michelini | Washington County Court | – |
| Shari R Michels | New York City Civil Court, Bronx County | – |
| Laurie Jill Michelson | E.D. Michigan | 2014– |
| Thomas Johnson Michie | W.D. Virginia | 1961–1973 |
| George Theodore Mickelson | D. South Dakota | 1954–1965 |
| Stephan P. Mickle | N.D. Florida | 1998–2021 |
| Stephan P. Mickle | Fla. Dist. Ct. App. | 1993–1998 |
| Gary Ira Micon | Superior Court of California, County of Los Angeles | 2017– |
| Sherrie M. Miday | Cuyahoga County Court of Common Pleas | – |
| David Lycurgus Middlebrooks Jr. | N.D. Florida | 1969–1974 |
| Donald M. Middlebrooks | S.D. Florida | 1997– |
| Lisa G. Middleman | Court of Common Pleas of Allegheny County | – |
| Christopher K. Middleton | Superior Court of Georgia, Eastern Judicial Circuit | – |
| Dana M. Middleton | Circuit Court for Baltimore City | – |
| Henry A. Middleton | Ohio | 1950–1954 |
| Myshala E. Middleton | Circuit Court for Baltimore City | – |
| Kevin Midlam | Superior Court of California, County of San Diego | 1988–1995 |
| Becker McKay Wyckoff Mignault | Bankr. S.D. West Virginia | 2020–2034 |
| Songhai D. Miguda-Armstead | Superior Court of California, County of Los Angeles | 2015– |
| Socrates H. Mihalakos | Conn. App. Ct. | 2000–2003 |
| Nathan D. Mihara | Cal. Ct. App. | 1988–1993 |
| Michael Martin Mihm | C.D. Illinois | 1982– |
| Charles B. Mikell | Ga. Ct. App. | 2000–2012 |
| Anna Mikhaleva | New York City Civil Court, Bronx County | – |
| Ann T. Mikoll | N.Y. App. Div. | 1977–1999 |
| Dina Mikulka | Superior Court of New Jersey, Morris/Sussex Vicinage | – |
| Michael Mikulski | Superior Court of New Jersey, Camden Vicinage | – |
| Abner Joseph Mikva | D.C. Circuit | 1979–1994 |
| Martha J. Milanowski | Vilas County Circuit Court | – |
| Jane Margaret Triche Milazzo | E.D. Louisiana | 2011– |
| Herbert Theodore Milburn | Sixth Circuit | 1984–2016 |
| Vicki Miles-LaGrange | W.D. Oklahoma | 1994– |
| Kevin T. Miles | Clermont County Court of Common Pleas | – |
| Marilyn B. Miles | Superior Court of California, County of Humboldt | 1998–2017 |
| Wendell Alverson Miles | W.D. Michigan | 1974–2013 |
| Eric P Milgrim | Nassau County Family Court | – |
| Vincent J. Militello | Superior Court of New Jersey, Bergen Vicinage | – |
| Milton Milkes | Superior Court of California, County of San Diego | 1979–1995 |
| James Milkey | Mass. App. Ct. | 2009– |
| Mark Stanton Millard | Superior Court of California, County of Orange | 2003– |
| Theodore E. Millard | Superior Court of California, County of Orange | 1979–1999 |
| William J. Millard | Wash. | 1928–1948 |
| Charles S. Miller Jr. | D. North Dakota | 2004–2018 |
| James Rogers Miller Jr. | D. Maryland | 1970–1986 |
| James Rogers Miller Jr. | Superior Court of California, County of San Mateo | 1986–1994 |
| Robert Lowell Miller Jr. | N.D. Indiana | 1985– |
| Shackelford Miller Jr. | Sixth Circuit | 1945–1965 |
| William W. Miller Jr. | Texas 5th District Court | – |
| Robin Miller Sloan | Superior Court of California, County of Los Angeles | 2003– |
| Lindsey Miller-Lerman | Neb. | 1999 |
| Lindsey Miller-Lerman | Neb. Ct. App. | 1992–1998 |
| Andrea Miller | Scotts Bluff County District Court | – |
| Andrew Miller | D. North Dakota | 1922–1960 |
| Andrew Galbraith Miller | E.D. Wisconsin | 1870–1873 |
| Andy Miller | Franklin County Court of Common Pleas | – |
| Barbara J. Miller | Superior Court of California, County of Alameda | 1997–2009 |
| Beau A. Miller | Texas 190th District Court | – |
| Ben J. Miller | Superior Court of Georgia, Griffin Judicial Circuit | – |
| Benjamin Miller | Ill. | 1984–2001 |
| Benjamin M. Miller | Ala. | 1921–1927 |
| Bert H. Miller | Idaho | 1945–1948 |
| Brian Stacy Miller | E.D. Arkansas | 2008– |
| Brian Stacy Miller | Ark. Ct. App. | 2007–2008 |
| Carol J. Miller | Superior Court of California, County of Sacramento | 1980–1989 |
| Charles Miller | Marion Superior Court | – |
| Charles Edward Miller | Tex. Crim. App. | 1983–1994 |
| Christine Odell Cook Miller | Fed. Claims | 1983–2013 |
| Craig P. Miller | Court of Common Pleas of Clinton County | – |
| Daniel Laurenzano Miller | Court of Common Pleas of Allegheny County | – |
| Douglas E. Miller | E.D. Virginia | 2010– |
| Douglas Paul Miller | Cal. Ct. App. | 2006– |
| Eric David Miller | Ninth Circuit | 2019– |
| Franz E. Miller | Superior Court of California, County of Orange | 2002–2019 |
| Frederick M. Miller | Iowa | 1939–1946 |
| Gale T. Miller | Colo. Ct. App. | 2009– |
| Gary L. Miller | Marion Superior Court | – |
| George W Miller | Fed. Claims | 2004– |
| Gray Hampton Miller | S.D. Texas | 2006– |
| Howard Miller | N.Y. App. Div. | 1999–2010 |
| Jack Richard Miller | Federal Circuit | 1982–1994 |
| Jason M. Miller | Chillicothe Municipal Court | – |
| Jeffrey T. Miller | S.D. California | 1997– |
| Jeffrey T. Miller | Superior Court of California, County of San Diego | 1987–1997 |
| Jennifer Miller | 2nd Judicial District Court | – |
| John D. Miller | Ind. | 1891–1893 |
| John Elvis Miller | W.D. Arkansas | 1941–1981 |
| John J. Miller | Iowa Ct. App. | 1999–2009 |
| John Lester Miller | W.D. Pennsylvania | 1954–1978 |
| Joshua J. Miller | West Virginia Circuit Court | – |
| Justin Miller | D.C. Circuit | 1937–1945 |
| Keith Miller | 19th Circuit Court District | – |
| Kisha L Miller | New York City Housing Court, Bronx County | – |
| Laura Helen Miller | Superior Court of California, County of San Diego | 2019– |
| Linda Lancet Miller | Superior Court of California, County of Orange | 1998–2015 |
| Loren , Jr. Miller | Superior Court of California, County of Los Angeles | 1977–1997 |
| M Yvette Miller | Ga. Ct. App. | 1999– |
| Marla Jo Miller | Cal. Ct. App. | 2014– |
| Michael O. Miller | Ariz. Ct. App. | 2012– |
| Michelle G. Miller | Jefferson County Court of Common Pleas | – |
| Peggy Miller | Marinette County Circuit Court | – |
| Philip Miller | Connecticut Superior Court | – |
| Phillip R. Miller | Fed. Claims | 1972–1989 |
| Rita J. Miller | Superior Court of California, County of Los Angeles | 2000–2018 |
| Robert A. Miller | S.D. | 1986–2001 |
| Robert D. Miller | Superior Court of California, County of San Mateo | 1970–1988 |
| Robert H. Miller | Kan. | 1975–1990 |
| Samuel Freeman Miller | Supreme Court | 1862–1890 |
| Scott A Miller | Tompkins County Court | – |
| Sondra Miller | N.Y. App. Div. | 1990–2006 |
| Stephen T Miller | New York Court of Claims | – |
| Thomas B. Miller | W. Va. | 1977–1994 |
| Tommy E Miller | E.D. Virginia | 1987–2015 |
| Walker David Miller | D. Colorado | 1996–2013 |
| Wilbur Kingsbury Miller | D.C. Circuit | 1945–1976 |
| William Miller | Long Beach City Court | – |
| William Ernest Miller | Sixth Circuit | 1970–1976 |
| Willis D. Miller | Va. | 1947–1960 |
| Yvette Miller | Ga. Ct. App. | 1999–2011 |
| Patricia Ann Millett | D.C. Circuit | 2013– |
| Leroy F. Millette Jr. | Va. Ct. App. | 2008–2009 |
| LeRoy F. Millette Jr. | Va. | 2008– |
| Samuel Milligan | Ct. of Claims | 1868–1874 |
| James B. Milliken | Superior Court of California, County of San Diego | 1988–2003 |
| Bert W. Milling Jr. | S.D. Alabama | 1986– |
| Scott Teel Millington | Superior Court of California, County of Los Angeles | 2005– |
| Nathan Joseph Milliron | Texas 215th District Court | – |
| Rebecca Millo | Texas 10th District Court | – |
| Mary Milloy | S.D. Texas | 1992–2018 |
| E Richard Mills Jr. | Fla. Dist. Ct. App. | 1975–1988 |
| Michael P. Mills Jr. | 1st Circuit Court District | – |
| Billy G. Mills | Superior Court of California, County of Los Angeles | 1974–1990 |
| Bruce Clayton Mills | Superior Court of California, County of Contra Costa | 1998–2018 |
| Cecil J. Mills | Superior Court of California, County of Los Angeles | 1981–1996 |
| Cheryl Rae Mills | Superior Court of California, County of Contra Costa | 2003– |
| Justin Mills | Crawford Circuit Court | – |
| M. Bradley Mills | 20th Circuit Court District | – |
| Michael P. Mills | N.D. Mississippi | 2001– |
| Michael P. Mills | Miss. | 1995–2001 |
| Richard Henry Mills | C.D. Illinois | 1985–2023 |
| Richard Henry Mills | Superior Court of California, County of San Diego | 1998–2013 |
| Tim Mills | Pittsburg County District Court | – |
| Minor W. Millwee | Ark. | 1945–1958 |
| Sherveal R Mimes | New York City Civil Court, Kings County | – |
| Kelly L. Mims | 1st Circuit Court District | – |
| William C. Mims | Va. | 2010– |
| Patricia Head Minaldi | W.D. Louisiana | 2003–2018 |
| David L. Mincey | Superior Court of Georgia, Macon Judicial Circuit | – |
| Gordon L. Minder | Superior Court of California, County of Alameda | 1983–1983 |
| Chad M. Miner | Kosciusko Superior Court | – |
| Charles E. Miner | Fla. Dist. Ct. App. | 1989–2002 |
| Julius Howard Miner | N.D. Illinois | 1958–1963 |
| Roger Jeffrey Miner | Second Circuit | 1985–2012 |
| Roger Jeffrey Miner | N.Y. | 1976–1981 |
| Elisabeth Keiko Mineta | Superior Court of California, County of Monterey | 2010– |
| David Minge | Minn. Ct. App. | 2002–2012 |
| Stephanie Mingo | Franklin County Municipal Court | – |
| David D. Minier | Superior Court of California, County of Madera | 1998–2003 |
| Anne E Minihan | New York Supreme Court, 9th Judicial District | – |
| Joseph Minish | Superior Court of New Jersey, Essex Vicinage | – |
| Michael S. Mink | Superior Court of California, County of Los Angeles | 2000–2010 |
| Stuart A. Minkowitz | Superior Court of New Jersey, Morris/Sussex Vicinage | – |
| Julia A. Minner | Circuit Court for Frederick County | – |
| John C. Minney | Superior Court of California, County of Contra Costa | 1987–2005 |
| Paul W. Minnich | Court of Common Pleas of York County | – |
| Diane Minnifield | Fayette Circuit Court | – |
| David L. Minning | Superior Court of California, County of Los Angeles | 2000–2017 |
| Stephen P.B. Minor | Court of Common Pleas of Potter County | – |
| B. Scott Minter | Superior Court of Georgia, Conasauga Judicial Circuit | – |
| Rex H. Minter | Superior Court of California, County of Los Angeles | 2000–2000 |
| R. Bruce Minto | Superior Court of California, County of Los Angeles | 2000–2014 |
| John D. Minton Jr. | Ky. | 2006 |
| John D. Minton Jr. | Ky. Ct. App. | 2003–2006 |
| M. Duncan Minton Jr. | Chesterfield Circuit Court | – |
| Sherman Minton | Supreme Court | 1949–1956 |
| David Mintz | Superior Court of California, County of Los Angeles | 2001–2008 |
| Pamela B. Minzner | N.M. | 1994–2007 |
| Lawrence J. Mira | Superior Court of California, County of Los Angeles | 2000–2013 |
| George A. Miram | Superior Court of California, County of San Mateo | 1998–2006 |
| Carol Mirando | M.D. Florida | 2014– |
| Raymond D. Mireles | Superior Court of California, County of Los Angeles | 1987–2003 |
| Gary F Miret | New York Supreme Court, 11th Judicial District | – |
| Peter John Mirich Jr. | Superior Court of California, County of Los Angeles | 2000– |
| Menachem M Mirocznik | New York Court of Claims | – |
| Jacob Mishler | E.D. New York | 1960–2004 |
| E Bay Mitchell III | Okla. Civ. App. | 2002– |
| Burlery Mitchell Jr. | N.C. Ct. App. | 1977–1979 |
| Zinora M. Mitchell-Rankin | D.C. | 2004–2010 |
| Angel D. Mitchell | D. Kansas | 2019– |
| Burley B. Mitchell | N.C. | 1982–1999 |
| Chalk Mitchell | First Judicial Circuit Court | – |
| Craig Jordan Mitchell | Superior Court of California, County of Los Angeles | 2005– |
| Daviann Lilee Mitchell | Superior Court of California, County of Los Angeles | 2006– |
| Donald S. Mitchell | Superior Court of California, County of San Francisco | 1990–2018 |
| Everett Mitchell | Dane County Circuit Court | – |
| Franklin J., Jr. Mitchell | Superior Court of California, County of San Diego | 1985–1999 |
| George John Mitchell | D. Maine | 1979–1980 |
| Guy H Mitchell | New York City Criminal Court, Bronx County | – |
| John Mitchell | Idaho District Court | – |
| Joseph A.S. Mitchell | Ind. | 1885–1890 |
| Karen King Mitchell | Mo. Ct. App. | 2009– |
| Katie Nicole Mitchell | E.D. Texas | 2013– |
| Lansing Leroy Mitchell | E.D. Louisiana | 1966–2001 |
| Richard F. Mitchell | Iowa | 1932–1942 |
| Robert C Mitchell | W.D. Pennsylvania | 1972–2005 |
| Stephen S Mitchell | Bankr. E.D. Virginia | 1994–2011 |
| Suzanne Mitchell | W.D. Oklahoma | 2013– |
| Tamara O. Mitchell | Bankr. N.D. Alabama | 1992– |
| Walter C. Mitchell | Md. | 1934–1941 |
| Kristen L. Mix | D. Colorado | 2007– |
| James G Mixon | Bankr. E.D. Arkansas | 1984–2014 |
| Craig M. Mixson | Texas 1st District Court | – |
| Gregory Mize | D.C. | 1990–2002 |
| James M. Mize | Superior Court of California, County of Sacramento | 2000–2009 |
| Sidney Carr Mize | S.D. Mississippi | 1937–1965 |
| Nicolas P. Mizell | M.D. Florida | 2019– |
| Kathryn Kimball Mizelle | M.D. Florida | 2020– |
| Jack Mizuha | Haw. | 1961–1968 |
| Elissa Mizzone Testa | Superior Court of New Jersey, Passaic Vicinage | – |
| Jamoa Athena Moberly | Superior Court of California, County of Orange | 1998–2017 |
| Robyn L. Moberly | Bankr. S.D. Indiana | 2012– |
| Carlton Mobley | Ga. | 1954–1974 |
| Harry , Jr. Mock | Superior Court of California, County of Los Angeles | 1982–1986 |
| Stephen L. Mock | Superior Court of California, County of Yolo | 1991–2015 |
| Terri Ann Mockler | Superior Court of California, County of Contra Costa | 2012– |
| Alfred Egidio Modarelli | D. New Jersey | 1951–1957 |
| Christopher Modelewski | New York Supreme Court, 10th Judicial District | – |
| Anne-Leigh Gaylord Moe | M.D. Florida | 2025– |
| Leroy Moe | Fla. Dist. Ct. App. | 1975–1993 |
| James F. Moelk | Superior Court of California, County of Solano | 1986–2003 |
| Gregory W. Moeller | Idaho | – |
| James Moeller | Ariz. | 1987–1998 |
| Jennifer Moeller | Door County Circuit Court | – |
| Romero J. Moench | Superior Court of California, County of Kern | 2000–2007 |
| David W. Moffat | Utah | 1939–1943 |
| Edward P. II Moffat | Superior Court of California, County of Madera | 1986–2010 |
| Melissia R. Mogen | Burnett County Circuit Court | – |
| Anika C Mohammed | Newburgh City Court | – |
| Sohail Mohammed | Superior Court of New Jersey, Passaic Vicinage | – |
| Bradley K. Mohler | Clinton Circuit Court | – |
| Gerald Mohun | Superior Court of California, County of Mono | 2019–2019 |
| Edward Julien Moinet | E.D. Michigan | 1927–1952 |
| Harold A. Moise | La. | 1948–1958 |
| Irwin S. Moise | N.M. | 1959–1970 |
| Kelly Chong Mok | Superior Court of California, County of San Diego | 2016– |
| Kenneth H. Molberg | Tex. App. | 2019–2024 |
| Anthony R Mole | Putnam County Court | – |
| Louis J. Molepske Jr. | Portage County Circuit Court | – |
| John B. Molinari | Cal. Ct. App. | 1962–1976 |
| Milton Mollen | N.Y. | 1989–1990 |
| Irvin Charles Mollison | Customs Ct. | 1945–1962 |
| Donald W. Molloy | D. Montana | 1996– |
| John Devlon Molloy | Superior Court of California, County of Riverside | 2009– |
| John F. Molloy | Ariz. Ct. App. | 1965–1969 |
| Susan Oki Mollway | D. Hawaii | 1998– |
| Stephen Michael Moloney | Superior Court of California, County of Los Angeles | 2009– |
| Derek R. Molter | Ind. | 2022– |
| Joseph West Molyneaux | D. Minnesota | 1925–1940 |
| Karen B. Molzen | D. New Mexico | 1999– |
| David A. Monaco | Fla. Dist. Ct. App. | 2003–2012 |
| Joseph G. Monaghan | Superior Court of New Jersey, Bergen Vicinage | – |
| William J. Monahan | Superior Court of California, County of Santa Clara | 2007– |
| Robert D. Monarch | Superior Court of California, County of Orange | 1988–2002 |
| Christopher G. Money | Superior Court of California, County of San Luis Obispo | 1989–2005 |
| Bruno Mongiardo | Superior Court of New Jersey, Passaic Vicinage | – |
| Enrique Monguia | Superior Court of California, County of Los Angeles | 2014– |
| Leander J. Monks | Ind. | 1895–1913 |
| Julie L. Monnin | Darke County Municipal Court | – |
| Deidre L. Monroe | Lake Superior Court | – |
| Jeffery O. Monroe | Superior Court of Georgia, Macon Judicial Circuit | – |
| Roger Miles Monroe | Ala. Civ. App. | 1995–2001 |
| Thomas Bell Monroe | D. Kentucky | 1834–1861 |
| Richard Raymond Monroy Jr. | Superior Court of California, County of San Diego | 2011– |
| Rosemarie Montalbano | Kings County Surrogate's Court | – |
| Dennis Montali | Bankr. N.D. California | 1993– |
| Frank Montalvo | W.D. Texas | 2003– |
| Lara Elizabeth Montecalvo | First Circuit | 2022– |
| Kathryn T. Montejano | Superior Court of California, County of Tulare | 2007– |
| Richard J Montelione | New York Supreme Court, 2nd Judicial District | – |
| Frank J. Montemuro | Pa. | 1992–1993 |
| Ruth Bermudez Montenegro | S.D. California | 2022– |
| Ruth Bermudez Montenegro | S.D. California | 2018–2022 |
| Michael Montero | Sixth Judicial District Court | – |
| John M. Monterosso | Superior Court of California, County of Riverside | 2007–2019 |
| Raimundo J. Montes de Oca | Superior Court of California, County of Santa Barbara | 2015– |
| Richard Montes | Superior Court of California, County of Los Angeles | 1980–1999 |
| Robert H. Montgomery Jr. | Tenn. Crim. App. | 2014– |
| Tamika Renee Montgomery-Reeves | Third Circuit | 2023– |
| Alpha L. Montgomery | Superior Court of California, County of San Diego | 1979–1995 |
| Amanda Montgomery | Texas 421st District Court | – |
| Ann D. Montgomery | D. Minnesota | 1996– |
| Eddy Montgomery | Lincoln, Pulaski & Rockcastle Circuit Court | – |
| Martin V. Montgomery | D.D.C. | 1888–1892 |
| Mary E. Montgomery | Montgomery County Court of Common Pleas | – |
| Morris C. Montgomery | Ky. | 1954–1969 |
| Oscar H. Montgomery | Ind. | 1905–1911 |
| Robert Morris Montgomery | Ct. Customs App. | 1910–1920 |
| Seth D. Montgomery | N.M. | 1989–1994 |
| Thomas M. Montgomery | Superior Court of California, County of Humboldt | 1968–1985 |
| William G. Montgomery | Ariz. | 2019– |
| Mark A Montour | New York Supreme Court, 8th Judicial District | – |
| Raquel Devahl Montoya-Lewis | Wash. | 2020– |
| Samuel Z. Montoya | N.M. | 1971–1976 |
| Blair Moody Jr. | Mich. | 1977–1982 |
| James Maxwell Moody Jr. | E.D. Arkansas | 2014– |
| James S. Moody Jr. | M.D. Florida | 2000– |
| Dawn Moody | Tulsa County District Court | – |
| James Moody | Fla. Dist. Ct. App. | 1959–1966 |
| James Maxwell Moody | E.D. Arkansas | 1995–2014 |
| James Tyne Moody | N.D. Indiana | 1982– |
| Ross Charles Moody | Superior Court of California, County of San Francisco | 2015– |
| William E. Moody | Texas 34th District Court | – |
| William Henry Moody | Supreme Court | 1906–1910 |
| David B., Jr. Moon | Superior Court of California, County of San Diego | 1983–2001 |
| Norman K. Moon | W.D. Virginia | 1997– |
| Norman K. Moon | Va. Ct. App. | 1985–1997 |
| Ronald T.Y. Moon | Haw. | 1993–2010 |
| Charles "Skip" Mooney Jr. | Second Judicial Circuit Court | – |
| Brian P. Mooney | Cuyahoga County Court of Common Pleas | – |
| Lawrence E. Mooney | Mo. Ct. App. | 1998– |
| Carl Holliday Moor | Cal. Ct. App. | 2018– |
| Andrew G.T. Moore II | Del. | 1982–1994 |
| John H. Moore II | Fla. Dist. Ct. App. | 1977–1981 |
| John Henry Moore II | M.D. Florida | 1981–2013 |
| Russell Latimer Moore III | Superior Court of California, County of Riverside | 2018– |
| Daniel Alton Moore Jr. | Alaska | 1983–1995 |
| Henry Trumbull Moore Jr. | Cal. Ct. App. | 1984–1994 |
| Louis Moore Jr. | E.D. Louisiana | 1985–2012 |
| William Theodore Moore Jr. | S.D. Georgia | 1994–2024 |
| Alfred Moore | Supreme Court | 1799–1804 |
| Amy Dunn Moore | Sixth Judicial Circuit Court | – |
| Andrea L. Moore | Calloway & Marshall Circuit Court | – |
| Andrea Nelson Moore | Cleveland Municipal Court | – |
| Ben Moore | S.D. West Virginia | 1941–1958 |
| C Edwin Moore | Iowa | 1962–1978 |
| Carla D. Moore | Ohio Ct. App. | 2005– |
| Cecelia Moore | Fla. Dist. Ct. App. | 1998–2001 |
| Dan K. Moore | N.C. | 1969–1978 |
| Daniel J. Moore | Tippecanoe Superior Court | – |
| Deidra R Moore | New York City Civil Court, Bronx County | – |
| Dwight W. Moore | Superior Court of California, County of San Bernardino | 2007– |
| Eileen C. Moore | Cal. Ct. App. | 2000– |
| Frank R. Moore | Superior Court of California, County of Riverside | 1970–1988 |
| George Moore | E.D. Missouri | 1935–1962 |
| H. Randolph, Jr. Moore | Superior Court of California, County of Los Angeles | 1980–1997 |
| James Moore | Mo. Ct. App. | 1976–1982 |
| James E. Moore | S.C. | 1991–2008 |
| John P. Moore | Md. App. Ct. | 1973–1982 |
| Joy Moore | Ky. Ct. App. | 2007– |
| Karen D Moore | Snohomish County Superior Court | – |
| Karen Nelson Moore | Sixth Circuit | 1995– |
| Kevin Michael Moore | S.D. Florida | 1992– |
| Kimberly Ann Moore | Federal Circuit | 2006– |
| Lauren C. Moore | Cuyahoga County Court of Common Pleas | – |
| Leonard Page Moore | Second Circuit | 1958–1982 |
| Margarita Hartley Moore | Connecticut Superior Court | – |
| Mark J. Moore | Court of Common Pleas of Philadelphia County | – |
| Michael Moore | Texas 29th District Court | – |
| Michael L. Moore | Russell Circuit Court | – |
| Michelle Moore | Texas 314th District Court | – |
| Minor Moore | Cal. Ct. App. | 1939–1958 |
| O Otto Moore | Colo. | 1949–1969 |
| Raymond Paul Moore | D. Colorado | 2013– |
| Regina Moore | Texas 256th District Court | – |
| Ronald Moore | Wayne Superior Court | – |
| Roy S. Moore | Ala. | 2001–2003 |
| Sarah Moore | Texas 512th District Court | – |
| Terry A. Moore | Ala. Civ. App. | 2007– |
| William Folsom Moore | Tex. | 1940–1941 |
| Terry Fitzgerald Moorer | S.D. Alabama | 2018– |
| Gary Leigh Moorhead | Superior Court of California, County of Orange | 2014– |
| Ann C. Moorman | Superior Court of California, County of Mendocino | 2011–2022 |
| Charles Harwood Moorman | Sixth Circuit | 1925–1938 |
| David W. Moorman | Texas 12th District Court | – |
| William A Moorman | Veterans Claims | 2004– |
| Harold Dean Mooty III | N.D. Alabama | 2025– |
| Frank M Mora | Poughkeepsie City Court | – |
| Mindy A. Mora | Bankr. S.D. Florida | 2018– |
| Anthony Moraleja | Pike County Court | – |
| Connie Morales | New York Supreme Court, 12th Judicial District | – |
| David Steven Morales | S.D. Texas | 2019– |
| Reyna Morales | Milwaukee County Circuit Court | – |
| Valentina M Morales | New York City Criminal Court, New York County | – |
| Emily MoralesMinerva | New York City Civil Court, New York County | – |
| James Byron Moran | N.D. Illinois | 1979–2009 |
| John P. Moran | Superior Court of California, County of Tulare | 1986–2003 |
| Michael K. Moran | Marathon County Circuit Court | – |
| Thomas E Moran | New York Supreme Court, 7th Judicial District | – |
| Thomas J. Moran | Ill. | 1976–1992 |
| David William Moranda | Superior Court of California, County of Merced | 2009– |
| Norman A. Mordue | N.D. New York | 1998–2022 |
| John R. Moremen | Ky. | 1951–1966 |
| Carlos R. Moreno | C.D. California | 1998–2001 |
| Carlos R. Moreno | Cal. | 2001–2011 |
| Federico A. Moreno | S.D. Florida | 1990– |
| Mark A. Moreno | D. South Dakota | 1993– |
| Edward Burton Moreton Jr. | Superior Court of California, County of Los Angeles | 2007– |
| G. D. Morgan Jr. | South Carolina Circuit Court | – |
| Henry Coke Morgan Jr. | E.D. Virginia | 1992–2022 |
| Benjamin D. Morgan | Superior Court of New Jersey, Cumberland/Gloucester/Salem Vicinage | – |
| Brent A. Morgan | Texas 318th District Court | – |
| Brett Huston Morgan | Superior Court of California, County of San Joaquin | 2010– |
| Chase Ford Morgan | 10th Chancery Court District | – |
| John T. Morgan | Idaho | 1891–1897 |
| Joseph H. Morgan | Ariz. | 1945–1947 |
| June P. Morgan | Mo. | 1969–1982 |
| Justin Colfax Morgan | W.D. New York | 1956–1959 |
| Kali Morgan | Texas 505th District Court | – |
| Lewis Render Morgan | Eleventh Circuit | 1981–2001 |
| Lisa K. Morgan | Connecticut Superior Court | – |
| Lori Morgan | Allen Superior Court | – |
| Marshal D. Morgan | D. Puerto Rico | 2018– |
| Mary Carolyn Morgan | Superior Court of California, County of San Francisco | 2003–2011 |
| Robert Dale Morgan | C.D. Illinois | 1979–2002 |
| Robert E. Morgan | S.D. | 1977–1991 |
| Ronald G. Morgan | S.D. Texas | 2009– |
| Susie Morgan | E.D. Louisiana | 2012– |
| Virginia M Morgan | E.D. Michigan | 1985–2011 |
| William McKendree Morgan | Superior Court of California, County of Sacramento | 1975–1989 |
| John M. Morganelli | Court of Common Pleas of Northampton County | – |
| Paul V MorganJr | Rensselaer County Surrogate's Court | – |
| Pat E Morgenstern-Clarren | Bankr. N.D. Ohio | 1995–2017 |
| Audra M. Mori | Superior Court of California, County of Los Angeles | 2018– |
| Ernest Nathan Morial | La. Ct. App. | 1974– |
| Patrick M Moriarty | Snohomish County Superior Court | – |
| Brad Morin | Texas 71st District Court | – |
| Dwayne Kenyatta Moring | Superior Court of California, County of San Diego | 2008– |
| Nancy Moritz | Kan. | 2011–2014 |
| Nancy Louise Moritz | Tenth Circuit | 2014– |
| Christopher Morledge | First Judicial Circuit Court | – |
| Edgar A. Morling | Iowa | 1925–1932 |
| Leigh Morning | Rush Superior Court | – |
| Karen L Moroney | Nassau County District Court | – |
| Jean Morony | Superior Court of California, County of Butte | 1961–1981 |
| Amos Morrill | E.D. Texas | 1872–1883 |
| Mendon Morrill | D. New Jersey | 1958–1961 |
| Angil P. Morris-Jones | Superior Court of California, County of Merced | 1998–2001 |
| Brian Matthew Morris | D. Montana | 2013– |
| Brian Matthew Morris | Mont. | 2005–2013 |
| Cecelia G. Morris | Bankr. S.D. New York | 2000– |
| Claude F. Morris | Mont. | 1935–1947 |
| David A Morris | Suffolk County Court | – |
| Douglas J. Morris | Ind. | 1911–1917 |
| Edward L. Morris | Bankr. N.D. Texas | 2018– |
| Elizabeth S. Morris | Circuit Court for Anne Arundel County | – |
| G. Kevin Morris | Superior Court of Georgia, Alcovy Judicial Circuit | – |
| George Franklin Morris | D. New Hampshire | 1921–1953 |
| Gia L Morris | New York City Criminal Court, Queens County | – |
| Hugh Martin Morris | D. Delaware | 1919–1930 |
| James Morris | N.D. | 1935–1964 |
| James I. Morris | Superior Court of California, County of Sacramento | 1984–2004 |
| James Ward Morris | D.D.C. | 1939–1960 |
| Joseph Wilson Morris | E.D. Oklahoma | 1974–1978 |
| Judson W., Jr. Morris | Superior Court of California, County of Los Angeles | 2000–2007 |
| M. Cindy Morris | Superior Court of Georgia, Conasauga Judicial Circuit | – |
| Margaret J. Morris | Cal. Ct. App. | 1966–1986 |
| Martin Ferdinand Morris | D.C. Circuit | 1893–1905 |
| Melissa M. Morris | Texas 263rd District Court | – |
| Naomi E. Morris | N.C. Ct. App. | 1967–1982 |
| Nicole D Morris | Rochester City Court | – |
| Page Morris | D. Minnesota | 1903–1924 |
| Patricia "Tish" Morris | Jefferson Circuit Court | – |
| Patricia T. Morris | E.D. Michigan | 2014– |
| Patrick J. Morris | Superior Court of California, County of San Bernardino | 1976–2006 |
| Phillip M. Morris | Superior Court of California, County of San Bernardino | 1998–2003 |
| Robert Morris | D. New Jersey | 1790–1815 |
| Robert Morris | Fla. Dist. Ct. App. | 2009– |
| Royce L. Morris | Court of Common Pleas of Dauphin County | – |
| Shondeana Crews Morris | Superior Court of Georgia, Stone Mountain Judicial Circuit | – |
| Sonya A. Morris | Lake Superior Court | – |
| Thomas John Morris | D. Maryland | 1879–1912 |
| Frank B. Morrison Jr. | Mont. | 1981–1987 |
| Caroline E Morrison | Monroe County Court | – |
| Derrick Morrison | Texas 305th District Court | – |
| Fred K. Morrison | Cal. Ct. App. | 1989–1994 |
| James A. Morrison | Marinette County Circuit Court | – |
| Nina Rauh Morrison | E.D. New York | 2022– |
| Richard T. Morrison | Tax Ct. | 2008– |
| Robert F. Morrison | Cal. | 1879–1887 |
| Robert H. Morrison | Halifax Circuit Court | – |
| Sarah Daggett Morrison | S.D. Ohio | 2019– |
| William Arthur Morrison | Tex. Crim. App. | 1951–1976 |
| Josh R. Morriss III | Tex. App. | 2002–2022 |
| Michael A. Morrissey | Tippecanoe Superior Court | – |
| Michael T. Morrissey | D. Arizona | 2020– |
| Dion G. Morrow | Superior Court of California, County of Los Angeles | 1978–1995 |
| Margaret M. Morrow | C.D. California | 1998–2016 |
| William W. Morrow | Ninth Circuit | 1897–1929 |
| Ashley J. Morse | Rock County Circuit Court | – |
| Heather D. Morse | Superior Court of California, County of Santa Cruz | 1998–2017 |
| James L. Morse | Vt. | 1988–2003 |
| John E. Morse | Superior Court of Georgia, Eastern Judicial Circuit | – |
| J. William Mortland | Superior Court of California, County of Riverside | 1976–1989 |
| James Madison Morton Jr. | First Circuit | 1932–1940 |
| Chris Morton | Texas 230th District Court | – |
| Leland Clure Morton | M.D. Tennessee | 1970–1998 |
| Miriam Ivy Morton | Superior Court of California, County of San Bernardino | 2008– |
| Christine K. Moruza | Superior Court of California, County of Alameda | 1998–2017 |
| Tamara L. Mosbarger | Superior Court of California, County of Butte | 2007–2019 |
| Robert von Moschzisker | Pa. | 1910–1930 |
| Philip J. Moscone | Superior Court of California, County of San Francisco | 1998–2008 |
| Grover M. Moscowitz | E.D. New York | 1925–1947 |
| Bailey C. Moseley | Tex. App. | 2007– |
| William R. Moser | Wis. Ct. App. | 1978–1992 |
| Franklin J. Moses Sr. | S.C. | 1868–1877 |
| Alia Moses | W.D. Texas | 2002– |
| Andrew S Moses | St. Lawrence County Family Court | – |
| Barbara Moses | S.D. New York | 2015– |
| Fred Moses | Hocking County Municipal Court | – |
| Herbert J Moses | New York City Criminal Court, Kings County | – |
| Jared Daniel Moses | Superior Court of California, County of Los Angeles | 2008– |
| Ndidi Moses | Connecticut Superior Court | – |
| Acea M Mosey | Erie County Surrogate's Court | – |
| R. Kimball Mosier | Bankr. D. Utah | 2009– |
| Richard M. Mosk | Cal. Ct. App. | 2001–2016 |
| Stanley Mosk | Cal. | 1943–2001 |
| Barry Ted Moskowitz | S.D. California | 1995– |
| James M. Mosley | Texas 316th District Court | – |
| Michael W. Mosman | D. Oregon | 2003– |
| Atinuke B. Moss | Court of Common Pleas of Delaware County | – |
| Conrad J. Moss | Cal. Ct. App. | 1966–1969 |
| John McKenzie Moss | Ct. of Claims | 1926–1929 |
| Joseph Rodney Moss | S.C. | 1956–1975 |
| Randolph Daniel Moss | D.D.C. | 2014– |
| Robert James Moss | Superior Court of California, County of Orange | 2002– |
| Sheila M. Moss | Lake Superior Court | – |
| Shelly K Moss | Pierce County Superior Court | – |
| William Washburn Moss | R.I. | 1935–1948 |
| Dale E. Mossey | Minn. Ct. App. | 1998–2011 |
| Steven Z Mostofsky | New York Supreme Court, 2nd Judicial District | – |
| Donald J. Mote | Jefferson Circuit Court | – |
| Donald R. Mote | Ind. | 1967–1968 |
| Constance Baker Motley | S.D. New York | 1966–2005 |
| Joanne Motoike | Superior Court of California, County of Orange | 2013– |
| H. Christopher Mott | Bankr. W.D. Texas | 2010– |
| Diana Jane Gribbon Motz | Fourth Circuit | 1994– |
| Diana Jane Gribbon Motz | Md. App. Ct. | 1994– |
| J. Frederick Motz | D. Maryland | 1985–2023 |
| John F Moulds | E.D. California | 1983–2013 |
| Reid S. Moule | N.Y. App. Div. | 1969–1984 |
| Thomas S. Moulton Jr. | Gallia County Court of Common Pleas | – |
| Peter H Moulton | New York Supreme Court, 1st Judicial District | – |
| Sherman R. Moulton | Vt. | 1926–1949 |
| Jason M. Mount | Scott Circuit Court | – |
| Worrall Fredrick Mountain | N.J. | 1971–1979 |
| John Code Mowbray | Nev. | 1967–1993 |
| D. Mowdy | Coal County District Court | – |
| Steven L. Mowery | Portsmouth Municipal Court | – |
| Charles Allen Moye Jr. | N.D. Georgia | 1970–2010 |
| Eric V. Moye | Texas 14th District Court | – |
| Bambi J. Moyer | Superior Court of California, County of Riverside | 2015– |
| James D. Moyer | W.D. Kentucky | 1996– |
| Thomas J. Moyer | Ohio | 1987–2010 |
| Charles E. Moylan Jr. | Md. App. Ct. | 1970–2000 |
| Bernard Thomas Moynahan Jr. | E.D. Kentucky | 1963–1999 |
| Nicholas W Moyne | New York City Civil Court, New York County | – |
| William D. Mudd | Superior Court of California, County of San Diego | 1988–2005 |
| Charles Andrew Muecke | D. Arizona | 1964–2007 |
| James K. Muehlhausen | Cass Superior Court | – |
| Brandy Mueller | Texas 403rd District Court | – |
| Kimberly Jo Mueller | E.D. California | 2010–2026 |
| Randi P. Mueller | 2nd Circuit Court District | – |
| Jennifer Muench-McElfresh | Butler County Court of Common Pleas | – |
| Carl J. Mugglin | N.Y. App. Div. | 1999–2007 |
| Celeste Hardee Muir | Fla. Dist. Ct. App. | 1986– |
| Malcolm Muir | M.D. Pennsylvania | 1970–2011 |
| Maurice E Muir | New York Supreme Court, 11th Judicial District | – |
| Michael B. Mukasey | S.D. New York | 1987–2006 |
| Michael Muldrew | Superior Court of Georgia, Ogeechee Judicial Circuit | – |
| Eric R. Mulford | Gallipolis Municipal Court | – |
| Loyd H., Jr. Mulkey | Superior Court of California, County of Butte | 1981–1996 |
| Teresa E. Mullaney | Superior Court of California, County of San Luis Obispo | 1996–2012 |
| Mary J. Mullarkey | Colo. | 1987–2010 |
| Carmen T. Mullen | South Carolina Circuit Court | – |
| Gary S. Mullen | Superior Court of California, County of Sacramento | 1998–2011 |
| Graham Calder Mullen | W.D. North Carolina | 1990– |
| Mary C Mullen | Suffolk County District Court | – |
| Pat Mullendore | Superior Court of California, County of Los Angeles | 1972–1985 |
| Sarah K. Mullican | Vigo Superior Court | – |
| William Hughes Mulligan | Second Circuit | 1971–1981 |
| Hugh F. III Mullin | Superior Court of California, County of Santa Clara | 1989–2006 |
| Mark X. Mullin | Bankr. N.D. Texas | 2015– |
| C Ray Mullins | Bankr. N.D. Georgia | 2000–2018 |
| Clarence H. Mullins | N.D. Alabama | 1943–1957 |
| Raheem L. Mullins | Conn. App. Ct. | 2014– |
| William E. Mullins | Superior Court of California, County of San Francisco | 1972–1986 |
| John E. Mulroney | Iowa | 1943–1955 |
| John E. Mulroney | Tax Ct. | 1955–1970 |
| Michael Jeffrey Mulvihill Jr. | Superior Court of California, County of San Joaquin | 2015– |
| Frederick F. Mumm | C.D. California | 2006– |
| Kenneth A. Mummah | Court of Common Pleas of Perry & Juniata Counties | – |
| Thomas Mummert III | E.D. Missouri | 1995–2016 |
| Geraldine Mund | Bankr. C.D. California | 1984– |
| Fred A. Munder | N.Y. App. Div. | 1966–1975 |
| Bernard Mundy | Hamilton County Municipal Court | – |
| Marina C Mundy | New York Supreme Court, 13th Judicial District | – |
| Sallie Updyke Mundy | Pa. Super. Ct. | 2010– |
| James Benjamin Munford | Texas 322nd District Court | – |
| Thomas Charles Munger | D. Nebraska | 1907–1941 |
| William Henry Munger | D. Nebraska | 1897–1915 |
| Salvador A. Mungia | Wash. | – |
| Carlos G. Muñiz | Fla. | 2019– |
| James Martin Munley | M.D. Pennsylvania | 1998–2020 |
| Julia Kathleen Munley | M.D. Pennsylvania | 2023– |
| Aurelio Munoz | Superior Court of California, County of Los Angeles | 1980–2009 |
| Frances Munoz | Superior Court of California, County of Orange | 1998–2001 |
| Gregory Muñoz | Superior Court of California, County of Orange | 2000–2014 |
| Sandra M Munoz | New York Supreme Court, 11th Judicial District | – |
| Douglas C. Munson | Superior Court of California, County of San Francisco | 1989–2002 |
| Howard G. Munson | N.D. New York | 1976–2008 |
| Sheryl Munson | Franklin County Court of Common Pleas | – |
| Harold H. Murchie | Me. | 1940–1953 |
| Glenn Murdock | Ala. | 2007 |
| J. Edgar Murdock | Tax Ct. | 1942–1968 |
| Rudolph J. Murensky II | West Virginia Circuit Court | – |
| Carlos Murguia | D. Kansas | 1999–2020 |
| Mary Helen Murguia | Ninth Circuit | 2011– |
| Serena Raquel Murillo | C.D. California | 2025– |
| Serena Raquel Murillo | Superior Court of California, County of Los Angeles | 2015– |
| Francis Dominic Murnaghan Jr. | Fourth Circuit | 1979–2000 |
| Smith Murphey | 17th Circuit Court District | – |
| Thomas Alexander Murphree | N.D. Alabama | 1938–1945 |
| Stephen Joseph Murphy III | E.D. Michigan | 2008– |
| Joseph F. Murphy Jr. | Md. | 2007–2011 |
| Joseph F. Murphy Jr. | Md. App. Ct. | 1993–2007 |
| Alexandra D Murphy | New York Supreme Court, 9th Judicial District | – |
| Brian Edward Murphy | D. Massachusetts | 2024– |
| Carol Murphy | Thurston County Superior Court | – |
| Charles E. Murphy | N.Y. App. Div. | 1953–1959 |
| Cheryl Charlotte Murphy | Superior Court of California, County of Riverside | 2018– |
| Daniel S. Murphy | Superior Court of California, County of Los Angeles | 2005– |
| Darren Murphy | Hamilton Superior Court | – |
| Diana E. Murphy | Eighth Circuit | 1994–2018 |
| Edward Preston Murphy | N.D. California | 1950–1958 |
| Eric Earl Murphy | Sixth Circuit | 2019– |
| Francis T. Murphy | N.Y. App. Div. | 1971–1997 |
| Frank Murphy | Supreme Court | 1940–1949 |
| G. Patrick Murphy | S.D. Illinois | 1998–2013 |
| Glenn A Murphy | New York Court of Claims | – |
| Harold Loyd Murphy | N.D. Georgia | 1977–2022 |
| Harris P. Murphy | Circuit Court for Kent County | – |
| James E. Murphy | Conn. | 1957–1966 |
| James P Murphy | New York Supreme Court, 5th Judicial District | – |
| Jerome C Murphy | New York Supreme Court, 10th Judicial District | – |
| JoAnne Murphy | Court of Common Pleas of Lancaster County | – |
| John Frank Murphy | E.D. Pennsylvania | 2022– |
| John William Murphy | M.D. Pennsylvania | 1946–1962 |
| Joseph P., Jr. Murphy | Superior Court of California, County of Sonoma | 1966–1984 |
| Judy Vance Murphy | Adair & Casey Circuit Court | – |
| Kevin R. Murphy | Superior Court of California, County of Alameda | 2006– |
| Lois E. Murphy | Court of Common Pleas of Montgomery County | – |
| Loren E. Murphy | Ill. | 1939–1948 |
| Maite Murphy | South Carolina Circuit Court | – |
| Margaret H Murphy | Bankr. N.D. Georgia | 1987–2015 |
| Margaret M. Murphy | Connecticut Superior Court | – |
| Mark H. Murphy | Superior Court of Georgia, Tallapoosa Judicial Circuit | – |
| Michael R. Murphy | Tenth Circuit | 1995– |
| Mollie Ann Murphy | Cuyahoga County Court of Common Pleas | – |
| Patricia M. Murphy | Superior Court of California, County of Ventura | 2006–2019 |
| Patrick Murphy | Superior Court of California, County of Los Angeles | 2000–2001 |
| Patrick T. Murphy | Crawford County Court of Common Pleas | – |
| Richard M. Murphy | Superior Court of California, County of San Diego | 1989–2000 |
| Robert C. Murphy | Md. | 1972–1996 |
| Shari A. Murphy | Connecticut Superior Court | – |
| Stephen M. Murphy | Superior Court of California, County of San Francisco | 2017– |
| Terence P Murphy | New York Supreme Court, 10th Judicial District | – |
| Thomas Francis Murphy | S.D. New York | 1951–1995 |
| Thomas Francis Murphy | Superior Court of California, County of San Diego | 1985–2000 |
| William B. Murphy | Mich. Ct. App. | 1988– |
| William P. Murphy | Minn. | 1955–1972 |
| Alfred Paul Murrah | Tenth Circuit | 1940–1975 |
| Ronnie V. Murray II | Milwaukee County Circuit Court | – |
| William J. Murray Jr. | Cal. Ct. App. | 2010– |
| Bryan Murray | Idaho District Court | – |
| Christopher Murray | Mich. Ct. App. | 2002– |
| Dennis E. Murray | Superior Court of California, County of Tehama | 1990–2010 |
| Edward P. Murray | Me. | 1947–1962 |
| Florence Kerins Murray | R.I. | 1979–1996 |
| Frank Jerome Murray | D. Massachusetts | 1967–1995 |
| Herbert Frazier Murray | D. Maryland | 1971–1999 |
| John Kerins Murray | S.C. | 1979–1996 |
| Lynn Murray | Howard Circuit Court | – |
| Michael F. Murray | Superior Court of California, County of Orange | 2017– |
| P. Bradley Murray | S.D. Alabama | 2017– |
| Samuel P. Murray | Court of Common Pleas of Northampton County | – |
| William Daniel Murray | D. Montana | 1949–1994 |
| William L. Murray | Superior Court of California, County of Orange | 1963–1984 |
| Williiam S. Murray | N.D. | 1966–1966 |
| Daniel Murrie | Daviess Superior Court | – |
| John Garvan Murtha | D. Vermont | 1995– |
| Ignatius L Muscarella | Nassau County District Court | – |
| R. Kenton Musgrave | Int'l Trade | 1987–2023 |
| John L. Musmanno | Pa. Super. Ct. | 2008– |
| Michael A. Musmanno | Pa. | 1952–1968 |
| Stanley W. Mussell | Cal. Ct. App. | 1948–1960 |
| William J. Musseman | Okla. Crim. App. | – |
| George W. Musser | Colo. | 1909–1915 |
| Jeremy Musser | Steuben Circuit Court | – |
| William J Mycek | Amsterdam City Court | – |
| Richard Ernest Myers II | E.D. North Carolina | 2019– |
| Walter Myers Jr. | Ind. | 1963–1967 |
| Brandon S. Myers | Montgomery County Municipal Court | – |
| Deanne Smith Myers | Superior Court of California, County of Los Angeles | 2000–2008 |
| Francis Kerschner Myers | E.D. South Carolina | 1934–1940 |
| Herbert Dennis Myers | Superior Court of California, County of Riverside | 1989–2006 |
| Lana Rolf Myers | Tex. App. | 2009–2022 |
| Louis W. Myers | Cal. | 1923–1926 |
| Robert P. Myers | S.D. Mississippi | 2020– |
| Terry Myers | Bankr. D. Idaho | 1998– |
| William Myers | Miss. Ct. App. | 2000–2011 |
| Sue Ellen Myerscough | C.D. Illinois | 2011– |
| Scott P. Myren | S.D. | – |
| Milton H. Myrick | Cal. | 1880–1887 |
| Gordon Myse | Wis. Ct. App. | 1986–1999 |
| Adam L. Myser | Belmont County Court | – |