Bill O'Brien boxer
- bouts
- 39
- won
- 14
- lost
- 20
- draw
- 4
- Status
- inactive
- Division
- featherweight
- Debut
- 1933-08-26
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1943-03-19 | Dave Landers | LWWLWD | Brisbane Stadium, Brisbane | LOST |
| 1943-01-22 | Jim Scully | WLLLLL | Brisbane Stadium, Brisbane | WIN Points |
| 1942-12-18 | Dave Landers | WLWW | Brisbane Stadium, Brisbane | WIN Technical knockout |
| 1942-11-27 | Keith Ball | debut | Brisbane Stadium, Brisbane | LOST Points |
| 1942-09-25 | Les McDonald | WWWWWL | Brisbane Stadium, Brisbane | LOST Points |
| 1942-08-14 | Sid Godfrey | WLLWLW | Brisbane Stadium, Brisbane | LOST KO |
| 1942-07-24 | Jimmy Ross | DLLLLL | Brisbane Stadium, Brisbane | WIN KO |
| 1939-07-07 | Tommy Burns | WWWWDW | Brisbane Stadium, Brisbane | LOST Points |
| 1937-05-07 | Reg Delaney | LLLDDW | Olympic Theatre, Mackay | LOST Points |
| 1937-02-19 | Harry Puie | W | Olympic Theatre, Mackay | LOST Points |
| 1937-02-05 | Harry Puie | debut | Olympic Theatre, Mackay | LOST Points |
| 1936-05-23 | Bobby Arlene | WWDWDW | Brisbane Stadium, Brisbane | NC No Contest |
| 1936-04-24 | Tiger Donnelly | WWWWWW | Brisbane Stadium, Brisbane | LOST Points |
| 1936-03-03 | Arthur Robinson | L | Bronte Stadium, Sydney | LOST Points |
| 1936-02-22 | Tiger Donnelly | LWWWWW | Brisbane Stadium, Brisbane | LOST Points |
| 1935-11-06 | Art Davis | WLDWLW | Brisbane Stadium, Brisbane | LOST Technical knockout |
| 1935-10-26 | Sid Blay | LWLL | Bohemia Stadium, Brisbane | WIN KO |
| 1934-10-10 | Ron Gordon | WWWDWW | Brisbane Stadium, Brisbane | LOST Points |
| 1934-09-26 | Snowy Means | LWWWDW | Brisbane Stadium, Brisbane | LOST Points |
| 1934-09-19 | Ron Gordon | LWWWWD | Brisbane Stadium, Brisbane | LOST Points |
| 1934-09-05 | Snowy Means | LLLWWW | Brisbane Stadium, Brisbane | DRAW Points |
| 1934-07-18 | Bob Christie | LWWLWW | Brisbane Stadium, Brisbane | WIN Points |
| 1934-07-11 | Snowy Means | WWWWLL | Brisbane Stadium, Brisbane | WIN |
| 1934-06-26 | Jack Sparkes | debut | Newtown Stadium, Sydney | DRAW Points |
| 1934-06-20 | Ron Gordon | WWWDWD | Brisbane Stadium, Brisbane | LOST Points |
| 1934-06-06 | Bill Roach | DWWWWL | Brisbane Stadium, Brisbane | LOST Points |
| 1934-05-26 | Al McCoy | WWLWWL | Brisbane Stadium, Brisbane | DRAW Points |
| 1934-05-19 | Maxie Richards | WDDLLL | Brisbane Stadium, Brisbane | WIN Points |
| 1934-05-05 | Bill Roach | WLDWWW | Brisbane Stadium, Brisbane | LOST Points |
| 1934-05-02 | Roy McGregor | DWDWDW | Brisbane Stadium, Brisbane | WIN KO |
| 1934-04-11 | Mick Lacey | WWLLWD | Brisbane Stadium, Brisbane | WIN KO |
| 1934-03-21 | Mick Lacey | WWWLLW | Brisbane Stadium, Brisbane | DRAW Points |
| 1933-10-20 | Dick Gunn | WWWWLD | Brisbane Stadium, Brisbane | LOST Points |
| 1933-10-04 | Jack O'Neil | debut | Brisbane Stadium, Brisbane | WIN Points |
| 1933-09-16 | George Powell | debut | Brisbane Stadium, Brisbane | WIN KO |
| 1933-09-02 | Ted Kid Sweetman | LWLLLL | Brisbane Stadium, Brisbane | WIN KO |
| 1933-08-26 | Jack Mannion | debut | Brisbane Stadium, Brisbane | WIN KO |