Johnny Mahoney boxer
- bouts
- 1
- won
- 1
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- -
- Debut
- 1915-09-03
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1916-04-14 | Young Sailor Burke | WW | Vanderbilt A.C., Brooklyn | WIN Technical knockout |
| 1915-10-29 | Jack Tracey | WDWWLW | Vanderbilt A.C., Brooklyn | DRAW |
| 1915-10-01 | Young Martin | WDWWDW | Vanderbilt A.C., Brooklyn | WIN |
| 1915-09-24 | Young Martin | WWDWWD | Vanderbilt A.C., Brooklyn | LOST |
| 1915-09-03 | Frankie Wallace | WW | Vanderbilt A.C., Brooklyn | WIN |