Billy O'Neill boxer
- bouts
- 15
- won
- 5
- lost
- 7
- draw
- 3
- Status
- inactive
- Division
- welterweight
- Debut
- 1953-12-15
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1958-02-10 | Don Fullmer | WWWW | Fairgrounds Coliseum, Salt Lake City | LOST Unanimous decision |
| 1958-01-09 | Tony Dominguez | debut | Auditorium, Oakland | LOST Technical knockout |
| 1957-12-19 | Johnny Ramirez | WW | Civic Auditorium, San Francisco | DRAW Points |
| 1957-11-21 | Eddie Miller | debut | Auditorium, Oakland | WIN Points |
| 1957-11-14 | Jimmy Duval | LWLLLL | Stockton | DRAW Points |
| 1955-04-04 | Wayland Newsome | LW | Civic Auditorium, Stockton | WIN Points |
| 1955-03-10 | Art Smith | debut | Ryan's Auditorium, Fresno | LOST Technical knockout |
| 1955-01-11 | Roger Rossi | debut | Memorial Auditorium, Sacramento | WIN Points |
| 1954-12-14 | Sammy Tercero | LWWWDD | Stockton | WIN KO |
| 1954-11-23 | Joe DeCristofaro | W | Civic Auditorium, San Jose | LOST Technical knockout |
| 1954-11-09 | Abe Nance | LW | Stockton | LOST KO |
| 1954-05-04 | Chuck Carter | WDW | Auditorium, Richmond | LOST Technical knockout |
| 1954-04-26 | Ernie Cabreana | LLW | Winterland Arena, San Francisco | DRAW Points |
| 1954-03-29 | Ernie Cabreana | L | Winterland Arena, San Francisco | WIN Points |
| 1953-12-15 | Hestel Franks | debut | Memorial Auditorium, Sacramento | LOST KO |