Lester O'Brien boxer
- bouts
- 20
- won
- 3
- lost
- 17
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1943-12-16
- Height
- -
- Reach
- -
- Age
- 72
- Born
- 1921-07-28
- Death
- 1994-07-15
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1949-12-29 | Larry Mills | WL | Municipal Auditorium, Augusta | WIN Points |
| 1949-08-12 | Walter Keyes | LLLDWW | Charlotte | LOST KO |
| 1949-07-29 | Ted McFalls | LLLLLW | Armory, Gastonia | LOST Points |
| 1949-07-01 | Gene Carlisle | WWLLLW | Armory, Gastonia | LOST Unanimous decision |
| 1946-08-20 | Johnny Breitenbruck | DLW | Savannah | LOST Technical knockout |
| 1946-08-08 | Early Hamilton | WLWLLL | Armory, Gastonia | WIN Technical knockout |
| 1946-07-11 | Snooks Howard | LWWLL | Armory, Gastonia | LOST Points |
| 1946-06-07 | Al Reid | LLDDLW | Armory, Spartanburg | LOST Technical knockout |
| 1946-05-23 | Snooks Howard | L | Charlotte | LOST Points |
| 1946-05-17 | Snooks Howard | debut | Armory, Spartanburg | WIN KO |
| 1946-04-15 | Early Hamilton | WWLWWL | City Auditorium, Asheville | LOST Technical knockout |
| 1946-03-29 | Jennings Brotherton | WWWWWW | Armory, Spartanburg | LOST Technical knockout |
| 1946-03-15 | Jennings Brotherton | WWWWW | Charlotte | LOST Points |
| 1946-01-31 | Pat Linton | debut | Municipal Auditorium, Aiken | LOST Technical knockout |
| 1945-09-24 | Babe Saunders | LLLWLW | Legion Arena, Wilmington | LOST KO |
| 1945-08-27 | Clarence King | WWLWWW | Biscayne Arena, Miami | LOST Technical knockout |
| 1944-09-15 | George Zengaras | LLLLLL | Bain Field, Norfolk | LOST Technical knockout |
| 1944-04-24 | Eddie Davis | LWWDLW | Coliseum, Baltimore | LOST Points |
| 1944-04-10 | Eddie Davis | LLWWDL | Coliseum, Baltimore | LOST Points |
| 1943-12-16 | Pete Galiano | LDLLLL | Madrid Palestra, Harrisburg | LOST Technical knockout |
