Billy O'Brien boxer
- bouts
- 15
- won
- 6
- lost
- 6
- draw
- 3
- Status
- inactive
- Division
- lightweight
- Debut
- 1917-07-07
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- United Kingdom
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1924-04-14 | Joe Bird | WWWWWW | St James Hall, Newcastle | WIN Corner retirement |
| 1924-02-28 | Fred (Young) Tilston | WWWWWW | Liverpool Stadium, Pudsey Street, Liverpool | LOST Technical knockout |
| 1923-08-18 | Alf Butters | WWWWLL | Holmeside Stadium, Sunderland | LOST Technical knockout |
| 1923-05-05 | Charlie Hardcastle | LWWLLL | Holmeside Stadium, Sunderland | WIN Corner retirement |
| 1922-06-22 | Fred Bullions | WLWLLD | The Ring, Blackfriars Road, Southwark | LOST Points |
| 1922-06-08 | George Harrison | DLWLLL | The Ring, Blackfriars Road, Southwark | WIN Points |
| 1921-05-28 | Kenny Webb | D | Windsor Park, Belfast | LOST |
| 1920-11-25 | Percy Dexter | WWWWWL | Liverpool Stadium, Liverpool | WIN Points |
| 1920-11-13 | Bill Beynon | LDLWLL | Theatre Royal, Middlesbrough | DRAW Points |
| 1920-08-04 | Joe Fox | WLLLLW | Stockton on Tees | WIN |
| 1919-11-17 | Mike Blake | WWLWWW | Newcastle | LOST |
| 1919-02-27 | Chris Langdon | WLLWDW | Liverpool Stadium, Pudsey Street, Liverpool | LOST Technical knockout |
| 1918-05-11 | George Mapplebeck | WLWDWW | St James Hall, Newcastle | WIN KO |
| 1917-10-06 | Corporal Albert Colcombe | DWW | Empire Theatre, Redcar | DRAW Points |
| 1917-07-07 | Corporal Albert Colcombe | debut | Empire Theatre, Redcar | DRAW Points |