Billy O'Neill boxer
- bouts
- 34
- won
- 20
- lost
- 12
- draw
- 2
- Status
- inactive
- Division
- welterweight
- Debut
- 1945-03-10
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1927-02-11
- Death
- -
- Nationality
- United Kingdom
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1953-09-19 | Charlie Currie | WLWL | Ulster Hall, Belfast | WIN KO |
| 1951-04-28 | Tommy Armour | DWWWLW | Kings Hall, Belfast | LOST Technical knockout |
| 1951-03-24 | Charlie Roberts | WLLWLL | Ulster Hall, Belfast | LOST KO |
| 1950-06-16 | Jackie King | WWWLLL | Kings Hall, Belfast | WIN Points |
| 1950-04-29 | Alex Dobbins | WWLLW | Ulster Hall, Belfast | LOST KO |
| 1950-04-08 | Mickey Talbot | LWLLLW | Ulster Hall, Belfast | LOST Points |
| 1950-01-21 | Jackie King | WWWWLW | Ulster Hall, Belfast | LOST Points |
| 1949-12-24 | George Frost | LLLLLL | Ulster Hall, Belfast | WIN Points |
| 1949-12-14 | George Frost | DLLLLL | Ulster Hall, Belfast | WIN Points |
| 1949-08-19 | Johnny Hazel | LLWWLL | Hippodrome, Belfast | WIN Points |
| 1948-12-18 | Johnny Hazel | DWWWWW | Ulster Hall, Belfast | WIN Points |
| 1948-08-28 | George Frost | LLLLWL | Ulster Hall, Belfast | DRAW Points |
| 1948-03-20 | Jackie Ryder | LLWWLW | Ulster Hall, Belfast | LOST KO |
| 1948-03-06 | Paddy Trainor | WLLLLW | Ulster Hall, Belfast | WIN Corner retirement |
| 1948-03-03 | Johnny Smith | WWWWWW | St.Mungo Hall, Glasgow | LOST KO |
| 1948-01-29 | Mickey Duff | WLWDWD | Drill Hall, Bermondsey | LOST Points |
| 1947-12-26 | Paddy Dowdall | WWWWLW | Kings Hall, Belfast | LOST Points |
| 1947-11-15 | Jackie Robertson | WDLWLL | Ulster Hall, Belfast | WIN Technical knockout |
| 1947-11-01 | Paddy Trainor | WLLWLL | Ulster Hall, Belfast | WIN Technical knockout |
| 1947-05-24 | Johnny Williams | LLLWLL | Belfast | WIN KO |
| 1947-04-19 | Billy Donnelly | LWLWWL | Belfast | WIN KO |
| 1947-03-22 | Todd Whyte | LWWWWL | Ulster Hall, Belfast | WIN Points |
| 1947-02-22 | Bob Conway | WWL | Ulster Hall, Belfast | WIN Points |
| 1946-12-26 | Dan McAllister | WWWLLL | Ulster Hall, Belfast | LOST Points |
| 1946-12-07 | Jim Coates | WWWLWD | Ulster Hall, Belfast | LOST Points |
| 1946-11-02 | Jim Coates | LWWWLW | Ulster Hall, Belfast | DRAW Points |
| 1946-09-24 | Peter Fallon | WWWWWW | Kings Hall, Belfast | LOST Corner retirement |
| 1946-09-03 | Jim Hargie | L | Pittodrie Park, Aberdeen | WIN Points |
| 1946-06-07 | Danny Mack | LLLLLL | Kings Hall, Belfast | WIN Corner retirement |
| 1946-04-27 | Paddy Bonner | LLWLLL | Belfast | WIN Points |
| 1946-04-06 | Con Roche | WWDWLL | Belfast | WIN KO |
| 1946-03-16 | Jackie Brown | L | Ulster Hall, Belfast | WIN Points |
| 1946-01-08 | Jackie Brown | debut | Ulster Hall, Belfast | WIN Points |
| 1945-03-10 | Max Brady | LWWWWW | Ulster Hall, Belfast | WIN Corner retirement |
