Young O'Brien boxer
- bouts
- 4
- won
- 4
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1914-08-06
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1916-03-10 | Johnny Gallen | L | Quaker City A.C., Philadelphia | WIN KO |
| 1914-11-26 | Johnny Russell | DL | Broadway A.C., Philadelphia | WIN KO |
| 1914-11-24 | Mike McKee | debut | Fairmont A.C., Philadelphia | WIN |
| 1914-09-24 | Young Sharkey | LL | Broadway A.C., Philadelphia | WIN Technical knockout |
| 1914-09-17 | Tommy Austin | WLLLL | Broadway A.C., Philadelphia | WIN |
| 1914-08-06 | Billy Kilbane | debut | Broadway A.C., Philadelphia | WIN KO |