Mickey O'Brien boxer
- bouts
- 39
- won
- 21
- lost
- 14
- draw
- 4
- Status
- inactive
- Division
- welterweight
- Debut
- 1932-02-29
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1939-04-13 | Willie Cheatum | DLLLWW | Ford City High School, Ford City | WIN Split-decision |
| 1938-11-28 | Zack Robinson | WWWWWW | Duquesne Gardens, Pittsburgh | LOST Technical knockout |
| 1938-10-24 | Dick Sisk | LLLDWD | Motor Square Garden, Pittsburgh | WIN Points |
| 1938-09-19 | Willie Cheatum | WWDLLL | Hickey Park, Millvale | LOST Points |
| 1938-05-24 | Leonard Bennett | WWWWWW | Hickey Park, Millvale | LOST Technical knockout |
| 1938-04-04 | John Henry Thomas | LWWLLW | Motor Square Garden, Pittsburgh | WIN Points |
| 1938-03-28 | Steve Kahley | LLDWDL | Lancaster | WIN Points |
| 1937-12-16 | Willie Neyland | WWWWW | Duquesne Gardens, Pittsburgh | WIN Points |
| 1937-08-16 | John Henry Thomas | WWWL | Hickey Park, Millvale | LOST Points |
| 1937-06-24 | Charley Burley | WWWWWW | Hickey Park, Millvale | LOST Points |
| 1936-11-25 | Mike Barto | LWWWLL | Motor Square Garden, Pittsburgh | LOST Points |
| 1936-10-26 | Johnny Jadick | LLLLLL | Lancaster | LOST Points |
| 1936-10-20 | Steve Kahley | WLWWWW | Madrid Palestra, Harrisburg | WIN Points |
| 1936-10-06 | Billy Collins | L | Madrid Palestra, Harrisburg | WIN KO |
| 1936-09-29 | Elmer Wilson | LLWLWW | Moose Temple, Pittsburgh | WIN KO |
| 1936-08-26 | Teddy Smith | DWWWWW | Idora Park, Youngstown | LOST Points |
| 1936-07-22 | Joey Brandon | LL | Johnstown | WIN Points |
| 1936-04-15 | Wicky Harkins | WLLWWW | Madrid Palestra, Harrisburg | LOST Technical knockout |
| 1935-12-09 | Elmer Wilson | LDLWWL | Northside Arena, Pittsburgh | WIN Unanimous decision |
| 1935-11-18 | Louis Cook | WWDWLL | Northside Arena, Pittsburgh | DRAW Points |
| 1935-09-20 | Baby Kid Chocolate | LDLWDD | Waltz Dream Arena, Atlantic City | LOST Points |
| 1935-09-09 | Pete Daley | WWLLLW | Lancaster | WIN KO |
| 1935-08-21 | Tony Manos | WLLLLW | Carnival Park, West Manayunk | WIN Points |
| 1935-07-18 | Steve Nickleash | WLLLL | Greenlee Field, Pittsburgh | WIN Technical knockout |
| 1935-07-09 | Jerry Clements | WWLWLL | Hickey Park, Millvale | DRAW Points |
| 1935-06-25 | Ralph Gizzy | LLLWLW | Hickey Park, Millvale | WIN KO |
| 1935-06-06 | Teddy Movan | WWDWWW | Greenlee Field, Pittsburgh | DRAW Points |
| 1935-03-22 | Ray Eberle | WWDLDW | Moose Lodge, Pittsburgh | WIN Unanimous decision |
| 1935-03-11 | Roy Chapman | WWLL | Moose Lodge, Pittsburgh | WIN Technical knockout |
| 1935-01-11 | Joey Hornick | LWL | Duquesne Gardens, Pittsburgh | WIN Points |
| 1934-12-25 | Ray Eberle | LLLWWD | Duquesne Gardens, Pittsburgh | WIN Points |
| 1934-12-10 | Steve Nickleash | WL | Duquesne Gardens, Pittsburgh | WIN Points |
| 1934-11-22 | Teddy Movan | WWW | Palisades Rink, McKeesport | DRAW Points |
| 1933-11-17 | Bobby Sullivan | WWLWWW | Jim Graham Gym, Nashville | LOST KO |
| 1933-10-13 | Holman Williams | LWLWWW | Hazel Park Arena, Detroit | LOST KO |
| 1932-10-07 | Joe Severino | debut | Northside Arena, Pittsburgh | WIN Split-decision |
| 1932-07-13 | Pete Sherman | LWDW | Greenlee Field, Pittsburgh | LOST Points |
| 1932-03-28 | Harry Price | debut | Motor Square Garden, Pittsburgh | WIN KO |
| 1932-02-29 | Eddie Yarosz | WWWLWW | Motor Square Garden, Pittsburgh | LOST Points |