Seventh Circuit / Appointed 1949 / Served to 1979
Portrait of Francis Ryan Duffy

Francis Ryan Duffy

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

Appointed by President Harry S Truman in 1949 and confirmed by voice vote, Francis Ryan Duffy was a Judge on the U.S. Court of Appeals for the Seventh Circuit. He earned a law degree from University of Wisconsin Law School in 1912. He previously served on the U.S. District Court for the Eastern District of Wisconsin. Opinions & record ↓ Sources ↓

Lived
1888–1979
Appointed by
Harry S Truman, 1949
Confirmed
by voice vote
Education
University of Wisconsin 1910 · University of Wisconsin Law School 1912

Federal judicial service

YearCourtAppointed byVote
1939Eastern District of WisconsinF.D. Roosevelt (D)Voice vote
1949Seventh CircuitTruman (D)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

Judicial Record

In our data, Duffy authored 56 published opinions for the court (1939–1975). Most cited: In Re Oshkosh Foundry Co. (24 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
1939In Re Oshkosh Foundry Co.28 F. Supp. 41224
1940Barnsdall Refining Corporation v. Birnamwood Oil Co.32 F. Supp. 30823
1943United States v. 184 Barrels Dried Whole Eggs53 F. Supp. 65222
1948Grewe v. France75 F. Supp. 43319
1940Chappel v. First Trust Co. of Appleton, Wis.30 F. Supp. 76518
1940Chandler v. Cutler-Hammer, Inc.31 F. Supp. 45317
1945Bowles v. Krasno Bros. Glove & Mitten Co.59 F. Supp. 58114
1941Continental Ins. Co. v. I. Bahcall, Inc.39 F. Supp. 31514
1940Brotherhood of Locomotive Engineers v. Chicago, M., St. P. & P. R.34 F. Supp. 59414
1947Wojciuk v. United States74 F. Supp. 91413
1948Le Clair v. Swift76 F. Supp. 72912
1947Ackerman v. J. I. Case Co.74 F. Supp. 63912
1944Zimmermann v. Scandrett57 F. Supp. 79912
1946In Re FREDENBERG65 F. Supp. 411
1943Walling v. Peacock Corporation58 F. Supp. 88011

Showing the 15 most-cited of 56 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 Francis Ryan Duffy?
President Harry S Truman appointed Francis Ryan Duffy to the U.S. Court of Appeals for the Seventh Circuit in 1949.
Was Francis Ryan Duffy appointed by a Democrat or a Republican?
Francis Ryan Duffy was appointed by President Harry S Truman, a Democrat. JudicialFinder records the appointing president's party, not a judge's own politics.
What was Francis Ryan Duffy's confirmation vote?
Francis Ryan Duffy was confirmed by voice vote on January 31, 1949. No senator-by-senator tally was recorded.
Which court was Francis Ryan Duffy on?
Francis Ryan Duffy was a Judge on the U.S. Court of Appeals for the Seventh Circuit.

Sources

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

How we source & reconcile data → Data & Sources

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