Billy Mahoney boxer
- bouts
- 4
- won
- 0
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- bantamweight
- Debut
- 1921-01-13
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1924-05-02 | Andy Martell | LWLWLW | Armory, Mount Holly | LOST |
| 1924-04-04 | Tony Perry | LDWWWD | Nesbitt Theatre, Wilkes-Barre | LOST Unanimous decision |
| 1924-03-17 | Willie LaMorte | LWWLDL | Arena, Trenton | DRAW |
| 1923-12-11 | Len Brenner | WWWLWL | Armory, Reading | LOST Technical knockout |
| 1923-01-12 | Young McGovern | LLDDLD | Cambria A.C., Philadelphia | LOST |
| 1922-11-24 | George Helmar | WLLL | Cambria A.C., Philadelphia | LOST |
| 1922-06-26 | Mike Moran | WWDLWL | Forbes Field, Pittsburgh | LOST Technical knockout |
| 1921-02-17 | Jimmy Zill | LLW | Opera House, Greenville | LOST KO |
| 1921-01-13 | Patsy Flanagan | LL | Opera House, Greenville | DRAW |