Lloyd Francis MacMahon
Appointed by President Dwight D. Eisenhower in 1959 and confirmed by voice vote, Lloyd Francis MacMahon was a Judge on the U.S. District Court for the Southern District of New York. He earned a law degree from Cornell Law School in 1938. Rulings & record ↓ Sources ↓
- Lived
- 1912–1989
- Appointed by
- Dwight D. Eisenhower, 1959
- Confirmed
- by voice vote
- Education
- Cornell 1936 · Cornell Law School 1938
- Succeeded
- Lawrence Edward Walsh
- Succeeded by
- John Fontaine Keenan
Federal judicial service
| Year | Court | Appointed by | Vote |
|---|---|---|---|
| 1959 | Southern District of New York succeeded Lawrence Edward Walsh | Eisenhower (R) | Voice vote |
Party letters show the appointing president’s party, not the judge’s own. A voice vote means the chamber approved aloud. No senator-by-senator tally is recorded.
Confirmation vote
Voice vote
The Senate approved this confirmation aloud, with no senator-by-senator tally recorded. Recorded roll-call votes begin in 1989.
Education
| Cornell University | A.B. | 1936 |
| Cornell Law School | LL.B. | 1938 |
Judicial Record
In our data, MacMahon authored 236 published opinions for the court (1960–1989). Most cited: Tepper Realty Company v. Mosaic Tile Company (120 citations).
A selective record from published opinions in the CourtListener corpus, not every ruling; most unpublished district orders are not included. Counts and rankings are objective and recomputable: how we count. We describe the record, not the judge.
Recent & notable rulings
| Year | Case | Citation | Cited |
|---|---|---|---|
| 1966 | Tepper Realty Company v. Mosaic Tile Company | 259 F. Supp. 688 | 120 |
| 1961 | Pugach v. Klein | 193 F. Supp. 630 | 75 |
| 1974 | Herzfeld v. Laventhol, Krekstein, Horwath & Horwath | 378 F. Supp. 112 | 66 |
| 1978 | Lloyd v. Industrial Bio-Test Laboratories, Inc. | 454 F. Supp. 807 | 58 |
| 1973 | Grotrian, Helfferich, Schulz, Th. Steinweg Nachf. v. Steinway & Sons | 365 F. Supp. 707 | 47 |
| 1962 | Polaroid Corporation v. Casselman | 213 F. Supp. 379 | 46 |
| 1969 | Farrell Lines Inc. v. Titan Industrial Corp. | 306 F. Supp. 1348 | 41 |
| 1977 | Chesa International, Ltd. v. Fashion Associates, Inc. | 425 F. Supp. 234 | 40 |
| 1973 | Scheinbart v. Certain-Teed Products Corporation | 367 F. Supp. 707 | 40 |
| 1977 | Naprstek Ex Rel. Naprstek v. City of Norwich | 433 F. Supp. 1369 | 35 |
| 1970 | United Egg Producers v. Bauer International Corp. | 312 F. Supp. 319 | 32 |
| 1974 | Goodall v. Columbia Ventures, Inc. | 374 F. Supp. 1324 | 31 |
| 1961 | United States v. Pisano | 191 F. Supp. 861 | 31 |
| 1978 | Engineering Equipment Co. v. SS SELENE | 446 F. Supp. 706 | 30 |
| 1984 | Strobl v. New York Mercantile Exchange | 590 F. Supp. 875 | 29 |
Showing the 15 most-cited of 236 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 Lloyd Francis MacMahon?
- President Dwight D. Eisenhower appointed Lloyd Francis MacMahon to the U.S. District Court for the Southern District of New York in 1959.
- Was Lloyd Francis MacMahon appointed by a Democrat or a Republican?
- Lloyd Francis MacMahon was appointed by President Dwight D. Eisenhower, a Republican. JudicialFinder records the appointing president's party, not a judge's own politics.
- What was Lloyd Francis MacMahon's confirmation vote?
- Lloyd Francis MacMahon was confirmed by voice vote on September 9, 1959. No senator-by-senator tally was recorded.
- Which court was Lloyd Francis MacMahon on?
- Lloyd Francis MacMahon was a Judge on the U.S. District Court for the Southern District of New York.
Sources
Each fact on this page traces to a primary public record.
- FJC Biographical Directory
- Wikidata
- CourtListener bulk data (Free Law Project): authored opinions & citation counts
How we source & reconcile data → Data & Sources
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29 years on the U.S. District Court for the Southern District of New York. Data as of 2026-08-10. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).