Obie O'Brien boxer
- bouts
- 14
- won
- 4
- lost
- 7
- draw
- 3
- Status
- inactive
- Division
- welterweight
- Debut
- 1914-06-22
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1927-11-08 | Gus Tummey | debut | Hood River | DRAW Points |
| 1922-12-01 | Tommy Comiskey | WDDDLW | Martinez | LOST Points |
| 1922-10-12 | George Manolian | W | York Street Arena, Vallejo | LOST Points |
| 1922-06-22 | Pat Hendricks | debut | West Side Arena, San Jose | LOST Technical knockout |
| 1922-05-12 | Johnny Kane | WWW | L-st Arena, Sacramento | LOST Technical knockout |
| 1922-03-01 | Roy Kite | debut | Auditorium, Oakland | LOST Points |
| 1921-11-02 | Webb McIntyre | LLDLLL | Vallejo | WIN Points |
| 1921-10-12 | Tommy Comiskey | LW | Mare Island | DRAW Points |
| 1920-04-20 | Battling Sudington | DW | Mare Island | WIN Points |
| 1919-12-09 | Sailor Young Griffo | LDD | Vallejo | WIN Points |
| 1918-09-19 | Enrique Zuzuarregui | WWLDLW | Tondo Club, Manila | DRAW Points |
| 1918-06-06 | Enrique Zuzuarregui | WLLWLL | Tondo Club, Manila | LOST Technical knockout |
| 1918-05-11 | Charlie Lanum | WDDLLD | Palomar Pavilion, Manila | LOST Points |
| 1914-08-07 | Joe Welsh | DDWWW | White Elephant A.C., Philadelphia | LOST |
| 1914-07-17 | Frankie Williams | debut | White Elephant A.C., Philadelphia | WIN |
| 1914-07-10 | Lew Hall | LW | White Elephant A.C., Philadelphia | WIN KO |
| 1914-06-22 | Young Schooley | debut | North Penn A.C., Philadelphia | DRAW |