Billy O'Leary boxer
- bouts
- 10
- won
- 4
- lost
- 6
- draw
- 0
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1943-09-13
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1946-05-03 | Chuck Hammond | W | National Hall, San Francisco | LOST Technical knockout |
| 1946-04-23 | Kayo Brown | WLL | Memorial Auditorium, Sacramento | WIN Points |
| 1944-03-10 | Buck Thomas | LL | National Hall, San Francisco | LOST Technical knockout |
| 1944-03-03 | Leo Green | LWLWLD | L-st Arena, Sacramento | WIN KO |
| 1943-12-13 | Jackie Ryan | WWWWWW | Civic Auditorium, San Francisco | LOST Points |
| 1943-11-05 | Bobby Reed | debut | National Hall, San Francisco | WIN Technical knockout |
| 1943-11-04 | Joe Torres | DLDWWW | Civic Auditorium, San Jose | LOST Points |
| 1943-11-01 | Willie Julian | L | Coliseum Bowl, San Francisco | WIN KO |
| 1943-10-15 | Bobby Garcia Jr | LWWWWW | National Hall, San Francisco | LOST Points |
| 1943-09-13 | Jackie Ryan | W | Coliseum Bowl, San Francisco | LOST Points |
