Who appointed Ernest Aloysius O'Brien?

President Herbert Hoover appointed Ernest Aloysius O'Brien to the U.S. District Court for the Eastern District of Michigan in 1931.

Was Ernest Aloysius O'Brien appointed by a Democrat or a Republican?

Ernest Aloysius O'Brien was appointed by President Herbert Hoover, a Republican. JudicialFinder records the appointing president's party, not a judge's own politics.

What was Ernest Aloysius O'Brien's confirmation vote?

Ernest Aloysius O'Brien was confirmed by voice vote on March 2, 1931. No senator-by-senator tally was recorded.

Eastern District of Michigan / Appointed 1931 / Served to 1948

Ernest Aloysius O'Brien

Judge, U.S. District Court for the Eastern District of Michigan

Appointed by President Herbert Hoover in 1931 and confirmed by voice vote, Ernest Aloysius O'Brien was a Judge on the U.S. District Court for the Eastern District of Michigan. He earned a law degree from Detroit College of Law (now Michigan State University College of Law) in 1905. Sources ↓

Lived: 1880–1948
Appointed by: Herbert Hoover, 1931
Confirmed: by voice vote
Education: Detroit College (now of Detroit Mercy) 1898 · Detroit College of Law (now Michigan State College of Law) 1905
Succeeded by: Thomas Patrick Thornton

Federal judicial service

Year	Court	Appointed by	Vote
1931	Eastern District of Michigan	Hoover (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

Detroit College (now University of Detroit Mercy)	B.A.	1898
Detroit College of Law (now Michigan State University College of Law)	LL.B.	1905

Questions & answers

Who appointed Ernest Aloysius O'Brien?: President Herbert Hoover appointed Ernest Aloysius O'Brien to the U.S. District Court for the Eastern District of Michigan in 1931.
Was Ernest Aloysius O'Brien appointed by a Democrat or a Republican?: Ernest Aloysius O'Brien was appointed by President Herbert Hoover, a Republican. JudicialFinder records the appointing president's party, not a judge's own politics.
What was Ernest Aloysius O'Brien's confirmation vote?: Ernest Aloysius O'Brien was confirmed by voice vote on March 2, 1931. No senator-by-senator tally was recorded.
Which court was Ernest Aloysius O'Brien on?: Ernest Aloysius O'Brien was a Judge on the U.S. District Court for the Eastern District of Michigan.

Sources

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17 years on the U.S. District Court for the Eastern District of Michigan. Data as of 2026-08-10. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).