Tommy O'Brien boxer
- bouts
- 32
- won
- 11
- lost
- 12
- draw
- 8
- Status
- inactive
- Division
- featherweight
- Debut
- 1925-06-01
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1928-08-10 | Benny Dotson | LWDDLL | Bijou Theater, Aberdeen | LOST KO |
| 1927-09-23 | Frankie Klick | WWWLWD | Golden Gate Arena, San Francisco | LOST Technical knockout |
| 1927-09-13 | Benny Pelz | WWDLWL | Ice Coliseum, Portland | LOST KO |
| 1927-09-07 | Bobby Eber | DDLWWL | Liberty Hall, Bellingham | WIN Points |
| 1927-09-05 | Ad Mackie | WDWDDW | Walla Walla | DRAW Points |
| 1927-07-19 | Vic Foley | WWLDLW | Punch Bowl Arena, Alan | LOST Points |
| 1927-06-10 | Dixie LaHood | DWLLW | Four-L Club, Alan | WIN Points |
| 1927-06-02 | Phil Bayes | LWLWLL | Armory, Salem | DRAW Points |
| 1927-05-11 | Phil Bayes | WLWLWL | Armory, Salem | WIN Points |
| 1927-04-19 | Sammy Shack | LLWLDL | Armory, Portland | LOST Points |
| 1927-04-13 | Angel de la Cruz | LLLDWW | Armory, Salem | NC No Contest |
| 1927-03-29 | Ad Mackie | LDWWDW | Medford | DRAW Points |
| 1927-02-23 | Ad Mackie | LLLDWW | Armory, Salem | DRAW Points |
| 1927-01-11 | Benny Pelz | WWWWWW | Armory, Portland | DRAW Points |
| 1926-10-26 | Leslie (Wildcat) Carter | WWWDWW | Crystal Pool, Seattle | LOST Points |
| 1926-09-24 | Jimmy Mendoza | WWWWWW | Dreamland Rink, San Francisco | WIN |
| 1926-09-10 | Benny 'Kid' Carter | WWDWDD | Legion Stadium, Hollywood | LOST Points |
| 1926-07-15 | Hector McDonald | WLLWLW | Athletic Park, Vancouver | LOST Points |
| 1926-06-25 | Ansel Bell | DLLLLL | Armory, Eugene | DRAW Points |
| 1926-04-27 | Young Nationalista | WWDDLL | Armory, Portland | LOST Technical knockout |
| 1926-04-13 | Allie Taylor | DWWWWW | Armory, Portland | WIN Points |
| 1926-03-26 | Bud Davies | DDWLDL | Vancouver | DRAW Points |
| 1926-03-16 | Ansel Bell | WLDLLL | Armory, Portland | WIN Points |
| 1926-01-14 | Bud Davies | WWDDWL | Armory, Portland | DRAW Points |
| 1926-01-07 | Bud Davies | LWWDDW | Armory, Portland | WIN Points |
| 1925-12-21 | Bud Davies | DLWWDD | Armory, Portland | LOST Points |
| 1925-10-27 | Young Nationalista | LDLWLL | Armory, Portland | LOST Points |
| 1925-10-06 | Young Nationalista | DWLDLW | Armory, Portland | WIN Majority decision |
| 1925-09-21 | Babe Foote | WLLLLL | Armory, Portland | WIN Technical knockout |
| 1925-08-25 | Danny Edwards | LWLLWW | Armory, Portland | WIN Points |
| 1925-07-31 | Danny Edwards | LLWLLW | Armory, Portland | LOST Points |
| 1925-06-01 | Art York | WLDLLL | Armory, Portland | WIN Points |