Jim O'Brien boxer
- bouts
- 32
- won
- 13
- lost
- 17
- draw
- 2
- Status
- inactive
- Division
- lightweight
- Debut
- 1949-03-02
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- United Kingdom
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1957-12-21 | Gerry O'Neill | WWDLLD | Ulster Hall, Belfast | LOST Technical knockout |
| 1957-06-29 | Al Thomas | WLWWWL | Ulster Hall, Belfast | LOST Technical knockout |
| 1957-03-09 | Al Thomas | WLWWWL | Ulster Hall, Belfast | LOST KO |
| 1957-03-02 | Johnny Blaine | WLLLWL | Belfast | WIN KO |
| 1955-12-31 | Jim Fane | W | Ulster Hall, Belfast | LOST KO |
| 1955-06-11 | Sammy Cowan | WWWWWL | Ulster Hall, Belfast | WIN KO |
| 1955-05-21 | Jackie Willis | WWWWLL | Ulster Hall, Belfast | LOST KO |
| 1955-03-17 | Jim McGuiness | debut | Glasgow | LOST KO |
| 1955-03-05 | Jim Fisher | LLLLLW | Ulster Hall, Belfast | LOST Technical knockout |
| 1955-01-08 | Peter Masters | WWWWLW | Ulster Hall, Belfast | WIN Points |
| 1955-01-01 | Charlie Boyle | LWWLLW | Ulster Hall, Belfast | WIN KO |
| 1952-12-16 | Cyril Evans | LWWLWL | Watford Town Hall, Watford | LOST KO |
| 1952-09-16 | Cyril Evans | WWLWWL | Watford Town Hall, Watford | LOST KO |
| 1952-04-12 | John Devine | debut | Ulster Hall, Belfast | WIN Technical knockout |
| 1952-03-15 | Ray Brown | LWWLWL | Ulster Hall, Belfast | LOST Points |
| 1951-11-17 | John Red Doran | WWLWWL | Guild Hall, Derry | LOST KO |
| 1951-09-29 | John Conlon | debut | Ulster Hall, Belfast | WIN KO |
| 1951-05-26 | Ernie Long | WLL | Ulster Hall, Belfast | WIN KO |
| 1951-04-07 | Jimmy Hamilton | LWLWLL | Ulster Hall, Belfast | LOST KO |
| 1950-12-20 | Pat McCoy | WWWWWW | Ulster Hall, Belfast | LOST Points |
| 1950-09-27 | Pat McCusker | LWWWLW | Ulster Hall, Belfast | DRAW Points |
| 1950-08-30 | Bob O'Hara | WWWWLW | Ulster Hall, Belfast | WIN Points |
| 1950-05-03 | Gerry Lindon | WL | Ulster Hall, Belfast | WIN KO |
| 1950-04-12 | Tommy Wilson | WWW | Ulster Hall, Belfast | LOST Corner retirement |
| 1950-03-29 | Tommy Wilson | WW | Ulster Hall, Belfast | LOST KO |
| 1950-03-15 | Tommy Cochrane | WLWLW | Ulster Hall, Belfast | WIN Points |
| 1950-02-08 | John Moore | WLWLLL | Ulster Hall, Belfast | LOST Points |
| 1950-01-18 | John Moore | LWLWLL | Ulster Hall, Belfast | WIN Points |
| 1949-09-07 | Johnny Leabody | debut | Ulster Hall, Belfast | LOST Points |
| 1949-08-03 | John Moore | debut | Ulster Hall, Belfast | DRAW Points |
| 1949-06-09 | Jim Duffy | L | Ulster Hall, Belfast | WIN Points |