Ninth Circuit / Appointed 1998 / Senior status since 2022
Portrait of M. Margaret McKeown

M. Margaret McKeown

Judge, U.S. Court of Appeals for the Ninth Circuit

Appointed by President William J. Clinton in 1998 and confirmed by the Senate 8011, M. Margaret McKeown is a Judge on the U.S. Court of Appeals for the Ninth Circuit. She earned a law degree from Georgetown University Law Center in 1975. Opinions & record ↓ Sources ↓

Born
1951 · age 75
Appointed by
William J. Clinton, 1998
Confirmed
80–11
Education
University of Wyoming 1972 · Georgetown Law Center 1975

Federal judicial service

YearCourtAppointed byVote
1998Ninth CircuitClinton (D)80–11

Party letters show the appointing president’s party, not the judge’s own.

Confirmation vote

Nomination Confirmed 8011 on March 27, 1998 · 105th Congress, Roll Call 48. Each senator links to their judicial-voting record.

Voted to confirm · 80

44 D, 36 R

Voted against · 11

11 R

Did not vote · 9

1 D, 8 R

Education

Judicial Record

In our data, McKeown authored 12 published opinions for the court (2007–2012). Most cited: Intri-Plex Technologies, Inc. v. Crest Group, Inc. (398 citations).

Published, precedential opinions from the CourtListener corpus. Counts and rankings are objective and recomputable: how we count. We describe the record, not the judge.

Selected opinions

YearCaseCitationCited
2007Intri-Plex Technologies, Inc. v. Crest Group, Inc.499 F.3d 1048398
2012Oyeniran v. Eric H. Holder Jr.672 F.3d 800110
2007Mejia v. Gonzales499 F.3d 99173
2009Blausey v. U.S. Trustee552 F.3d 112468
2007United States v. Kriesel508 F.3d 94165
2007United States v. Moran493 F.3d 100254
2009Benyamin v. Holder579 F.3d 97027
2011Redevelopment Agency of City of Stockton v. BNSF643 F.3d 66821
2008Buono v. Kempthorne527 F.3d 75814
2009Nigg v. United States Postal Service555 F.3d 78113
2007Nigg v. United States Postal Service501 F.3d 10713
2009Pooshs v. Phillip Morris USA, Inc.561 F.3d 9642

Showing the 12 most-cited of 12 authored opinions in our data. “Cited” is inbound citations across the CourtListener corpus. Case links open the ruling’s full text (CourtListener) or its page here; read the methodology and verify against the primary source.

Questions & answers

Who appointed M. Margaret McKeown?
President William J. Clinton appointed M. Margaret McKeown to the U.S. Court of Appeals for the Ninth Circuit in 1998.
Was M. Margaret McKeown appointed by a Democrat or a Republican?
M. Margaret McKeown was appointed by President William J. Clinton, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was M. Margaret McKeown's confirmation vote?
The Senate confirmed M. Margaret McKeown 80–11 on March 27, 1998.
Which court is M. Margaret McKeown on?
M. Margaret McKeown is a Judge on the U.S. Court of Appeals for the Ninth Circuit.

Sources

Each fact on this page traces to a primary public record.

How we source & reconcile data → Data & Sources

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28 years on the U.S. Court of Appeals for the Ninth Circuit. Data as of 2026-08-10. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).