Billy Mahoney ((of Seattle?)) boxer
- bouts
- 2
- won
- 0
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1917-01-17
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1919-12-23 | Tommy McGowan | debut | Vallejo | LOST KO |
| 1917-01-17 | Charley Davidson | DLLWDW | Carpenter's Hall, Seattle | LOST Points |