Johnny O'Brien boxer
- bouts
- 6
- won
- 4
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1926-04-26
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1928-02-28 | Georgie Russell | LLWLL | Casino Hall, Carbondale | WIN |
| 1928-01-13 | Joe Dillard | debut | Watres Armory, Scranton | WIN Points |
| 1927-12-27 | Joey Coolbaugh | DLLLDW | Casino Hall, Carbondale | WIN Points |
| 1927-04-20 | Mooch Leo | LDWWW | Casino Hall, Carbondale | LOST Points |
| 1926-06-07 | Fighting Johnny | WDWWLW | Town Hall, Scranton | WIN Points |
| 1926-04-26 | Jack Manley | WLWWDL | Town Hall, Scranton | LOST Points |