Mickey O'Brien boxer
- bouts
- 13
- won
- 5
- lost
- 8
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1945-10-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1947-01-03 | Al Marquis | WDWWWW | Brunswick | LOST Points |
| 1946-12-04 | Alton Wooster | LLWLLD | Bangor | WIN KO |
| 1946-11-25 | Art Wooster | LLLWLL | Belfast | WIN KO |
| 1946-02-15 | Jimmy Hill | WWWWWW | Armory, Reading | LOST KO |
| 1946-01-04 | Armand Michaud | WWLWWD | Brunswick | LOST KO |
| 1945-12-28 | Johnny Campbell | WDLWWW | Bangor | LOST Points |
| 1945-12-11 | Eddie Letourneau | WWWLLW | Bangor | LOST Unanimous decision |
| 1945-11-27 | Alton Wooster | LWWWLW | Bangor | WIN Technical knockout |
| 1945-11-13 | Bobby Pooler | LDLWWW | City Hall, Bangor | LOST Points |
| 1945-11-08 | Bobby Pooler | WLDLWW | Exposition Building, Portland | LOST Points |
| 1945-11-07 | Tommy Lawless | debut | City Hall, Bangor | WIN Technical knockout |
| 1945-10-23 | Babe Quirion | WDLLLW | City Hall, Bangor | WIN KO |