O'Brien boxer
- bouts
- 4
- won
- 3
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- flyweight
- Debut
- 1910-09-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- United Kingdom
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1910-11-25 | Fred Tattersall | WL | Trafalgar Street Gymnasium, Burnley | WIN Points |
| 1910-10-21 | Peter Veevers | LL | Trafalgar Street Gymnasium, Burnley | WIN Points |
| 1910-10-07 | Fred Tattersall | debut | Trafalgar Street Gymnasium, Burnley | LOST Points |
| 1910-09-23 | Peter Veevers | debut | Trafalgar Street Gymnasium, Burnley | WIN Points |