Frank Sigel Dietrich

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

Appointed by President Calvin Coolidge in 1927 and confirmed by voice vote, Frank Sigel Dietrich was a Judge on the U.S. Court of Appeals for the Ninth Circuit. He previously served on the U.S. District Court for the District of Idaho. Opinions & record ↓ Sources ↓

Lived

1863–1930

Appointed by

Calvin Coolidge, 1927

Confirmed

by voice vote

Education

Brown 1887

Succeeded

Wallace McCamant

Succeeded by

William Henry Sawtelle

Federal judicial service

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, Dietrich authored 2 published opinions for the court (1925–1927). Most cited: Idaho Power Co. v. Thompson (21 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

Showing the 2 most-cited of 2 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 Frank Sigel Dietrich?

President Calvin Coolidge appointed Frank Sigel Dietrich to the U.S. Court of Appeals for the Ninth Circuit in 1927.

Was Frank Sigel Dietrich appointed by a Democrat or a Republican?

Frank Sigel Dietrich was appointed by President Calvin Coolidge, a Republican. JudicialFinder records the appointing president's party, not a judge's own politics.

What was Frank Sigel Dietrich's confirmation vote?

Frank Sigel Dietrich was confirmed by voice vote on January 3, 1927. No senator-by-senator tally was recorded.

Which court was Frank Sigel Dietrich on?

Frank Sigel Dietrich was a Judge on the U.S. Court of Appeals for the Ninth Circuit.

3 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).