Joe O'Brien boxer
- bouts
- 7
- won
- 4
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1910-03-03
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1917-03-29 | Joe Maguire | debut | Broadway A.C., Philadelphia | LOST KO |
| 1913-05-15 | Pete McAvoy | LWWLDL | Broadway A.C., Philadelphia | LOST |
| 1913-02-17 | Frank Bradley | LWWWWW | Olympia A.C., Philadelphia | LOST |
| 1912-10-31 | Battling Jim Flynn | WW | Broadway A.C., Philadelphia | LOST |
| 1912-06-18 | Danny Ferguson | WWLWLD | Auditorium, Norristown | LOST |
| 1912-05-31 | Leo Martin | debut | Gayety Theater, Philadelphia | LOST |
| 1912-04-23 | Young Sleuth | WLWDWW | Auditorium, Norristown | LOST |
| 1911-08-24 | Frankie Williams | LWL | Broadway A.C., Philadelphia | LOST |
| 1911-02-23 | Dick Dunphy | W | Broadway A.C., Philadelphia | WIN KO |
| 1910-12-22 | Johnny Stinger | WWWLW | Broadway A.C., Philadelphia | LOST Technical knockout |
| 1910-12-08 | Frank Jackson | debut | Broadway A.C., Philadelphia | WIN KO |
| 1910-10-20 | Leach Curley | debut | Broadway A.C., Philadelphia | WIN |
| 1910-09-12 | Johnny Reilly | WWWWWW | Bastian A.C., Philadelphia | LOST |
| 1910-06-08 | Jimmy Hyland | debut | Gayety Theater, Philadelphia | WIN |
| 1910-06-01 | Young McKenna | L | Gayety Theater, Philadelphia | WIN KO |
| 1910-04-21 | Joe Blum | debut | Broadway A.C., Philadelphia | LOST KO |
| 1910-03-10 | Young Sport | debut | Broadway A.C., Philadelphia | WIN KO |
| 1910-03-03 | Jimmy Fryer | WWWW | Broadway A.C., Philadelphia | LOST |