Pep O'Brien boxer
- bouts
- 2
- won
- 0
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1903-12-06
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1920-12-27 | Ray Quinn | debut | Starlight Park Arena, New York | LOST KO |
| 1920-05-26 | Young Sweeney | WWL | Town Hall, Scranton | DRAW |
| 1912-05-09 | Danny Ridge | WDLLWL | American A.A., Brooklyn | WIN |
| 1910-12-30 | Joe Franks | debut | Bedford A.C., Brooklyn | LOST |
| 1903-12-06 | Charlie Cornwell | L | Columbia Athletic Club, Saint Louis | LOST Points |