Ernest Aloysius O'Brien | |
|---|---|
 Judicial portrait of Ernest Aloysius O'Brien, c. 1948. | |
| Judge of the United States District Court for the Eastern District of Michigan | |
| In office March 4, 1931 – October 9, 1948 | |
| Appointed by | Herbert Hoover |
| Preceded by | Seat established by 46 Stat. 1197 |
| Succeeded by | Thomas Patrick Thornton |
| Personal details | |
| Born | Ernest Aloysius O'Brien July 1, 1880 Detroit, Michigan |
| Died | October 9, 1948 (aged 68) |
| Education | Detroit College (B.A.) Detroit College of Law (LL.B.) |
Ernest Aloysius O'Brien (July 1, 1880 – October 9, 1948) was a United States district judge of the United States District Court for the Eastern District of Michigan.