Billy Mahoney boxeador
- combates
- 24
- ganados
- 14
- perdidos
- 6
- empates
- 4
- Estado
- inactive
- División
- welterweight
- Debut
- 1927-07-12
- Altura
- -
- Alcanza
- -
- Edad
- 90
- Nacimiento
- 1909-08-13
- Muerte
- 2000-02-09
- Nacionalidad
- USA
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1938-02-09 | Bruno Carli | WLDWWW | Civic Auditorium, Fresno | WIN Points |
| 1934-05-22 | Billy Azevedo | WDWWWW | Italian Entertainment Park, Fresno | LOST KO |
| 1930-06-18 | Artie Sullivan | LLLLLW | National Hall, San Francisco | LOST Points |
| 1930-05-16 | Lester Donati | LWWWWW | Dreamland Auditorium, San Francisco | DRAW Points |
| 1930-04-30 | Artie Sullivan | WLLLLL | National Hall, San Francisco | LOST Technical knockout |
| 1930-04-23 | Morris Green | WLDLLL | National Hall, San Francisco | WIN Technical knockout |
| 1930-04-04 | Cecil Fat Geysel | WWDWDL | Dreamland Auditorium, San Francisco | LOST Points |
| 1930-03-12 | Alex Marino | WWWWWD | National Hall, San Francisco | WIN Points |
| 1930-03-05 | Alex Marino | WWWWWW | National Hall, San Francisco | DRAW Points |
| 1930-02-22 | Charley White | WWWLWD | Recreation Park, San Francisco | WIN Points |
| 1929-07-16 | Frank Rowsey | WWWWWD | Ryan's Auditorium, Fresno | LOST Points |
| 1929-07-02 | Pat Gleason | debut | Ryan's Auditorium, Fresno | WIN Technical knockout |
| 1928-07-20 | Billy Taylor | WLWWWL | Dreamland Auditorium, San Francisco | LOST Points |
| 1928-06-07 | Champ Chick | WWLDL | 10th Street Arena, Modesto | WIN Points |
| 1928-05-22 | Johnny Lawson | WLLLLW | Civic Auditorium, Fresno | WIN Points |
| 1928-05-15 | Ralph Baker | WWWDLD | I.D.E.S. Hall, Tulare | DRAW Points |
| 1928-04-24 | Davie Flash | LLWLWD | Forman's Arena, San Jose | DRAW Points |
| 1928-04-10 | Hugh Morey | WLLL | Forman's Arena, San Jose | WIN Points |
| 1928-03-16 | Joe Terris | WLLLLL | Golden Gate Arena, San Francisco | WIN Points |
| 1927-12-23 | Packy McMullen | WLLWDW | Golden Gate Arena, San Francisco | WIN Points |
| 1927-12-09 | Frank Paragon | LWWLLL | Golden Gate Arena, San Francisco | WIN Points |
| 1927-11-29 | Joe Quintano | debut | Civic Auditorium, Fresno | WIN Points |
| 1927-09-06 | Joe Souza | DWWWLD | Hanford | WIN Points |
| 1927-07-12 | Joe Souza | LLDWWW | Civic Auditorium, Fresno | WIN Points |