Jimmy O'Brien boxer
- bouts
- 15
- won
- 8
- lost
- 7
- draw
- 0
- Status
- inactive
- Division
- lightweight
- Debut
- 1908-04-27
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1917-01-01 | KO Willie Loughlin | DLWWD | National A.C., Bethlehem | LOST KO |
| 1916-09-01 | Fred Dunn | LLWDLD | Washington A.C., Philadelphia | WIN |
| 1916-05-26 | Tommy Jamison | WWWWWD | Lincoln A.C., Philadelphia | LOST KO |
| 1915-09-21 | Fred Dunn | WLLLW | Ludlow A.C., Philadelphia | DRAW |
| 1915-09-03 | Fred Dunn | WLLL | Ludlow A.C., Philadelphia | LOST |
| 1915-07-31 | Johnny Clinton | WL | Fairmont A.C., Bronx | DRAW |
| 1914-02-05 | Eddie Hart | debut | Broadway A.C., Philadelphia | DRAW |
| 1911-12-28 | Kid Tracey | LWWDWW | Broadway A.C., Philadelphia | LOST KO |
| 1911-10-30 | Eddie McKenna | L | American A.C., Philadelphia | WIN |
| 1911-10-09 | Eddie Hayes | LWLLLL | American A.C., Philadelphia | DRAW |
| 1911-08-18 | Jack Daley | LLW | Keystone A.C., Philadelphia | WIN Technical knockout |
| 1911-07-14 | Mickey Carey | debut | Standard Theater, Philadelphia | WIN |
| 1911-07-05 | Eddie McCloskey | WLLWWW | Douglas A.C., Philadelphia | LOST |
| 1911-05-15 | Kid Griffo | LWLWLD | American A.C., Philadelphia | LOST |
| 1911-05-01 | Larry Williams | WDWWLW | American A.C., Philadelphia | DRAW |
| 1911-04-10 | George Ashe | WDLLL | American A.C., Philadelphia | DRAW |
| 1911-03-27 | George Ashe | WD | American A.C., Philadelphia | WIN |
| 1911-03-20 | George Ashe | debut | American A.C., Philadelphia | LOST |
| 1911-01-28 | Johnny Hogan | WDDWLL | American A.C., Philadelphia | LOST |
| 1911-01-21 | Joe Kline | LWWLLL | American A.C., Philadelphia | LOST |
| 1910-12-12 | Johnny Dougherty | LWL | West End A.C., Philadelphia | WIN |
| 1910-11-28 | Johnny Hogan | WDWLDW | West End A.C., Philadelphia | DRAW |
| 1910-11-21 | Johnny Hogan | WWDWLD | West End A.C., Philadelphia | LOST |
| 1910-10-10 | Jimmy Dolan | LDLLDL | West End A.C., Philadelphia | LOST |
| 1910-09-26 | Jimmy Dolan | LDLDLL | West End A.C., Philadelphia | DRAW |
| 1910-09-19 | Jimmy Dolan | LDLDL | West End A.C., Philadelphia | WIN |
| 1910-09-12 | Kid Tracey | WLLWDL | West End A.C., Philadelphia | LOST |
| 1910-06-27 | Terry Fitzgerald | LWWDWL | West End A.C., Philadelphia | LOST |
| 1910-06-13 | Mickey Sullivan | W | West End A.C., Philadelphia | WIN Technical knockout |
| 1910-06-06 | Kid Tracey | DDDWWL | West End A.C., Philadelphia | WIN |
| 1910-05-23 | Jack Hagan | LWWLLW | West End A.C., Philadelphia | LOST |
| 1910-05-09 | Jack Hagan | WLWWLL | West End A.C., Philadelphia | LOST |
| 1910-03-21 | Jack Bennett | LL | West End A.C., Philadelphia | WIN Technical knockout |
| 1910-02-21 | Terry Fitzgerald | WLWDWL | West End A.C., Philadelphia | LOST |
| 1910-02-14 | Joe Heffernan | WWLWWW | West End A.C., Philadelphia | LOST |
| 1909-11-29 | Jack Hagan | WWLWLW | West End A.C., Philadelphia | LOST |
| 1909-11-23 | Joe Heffernan | WWWWWL | Douglas A.C., Philadelphia | LOST Technical knockout |
| 1909-09-11 | Johnny Krause | DLDDWL | National A.C., Philadelphia | LOST Technical knockout |
| 1909-06-14 | Terry Fitzgerald | LLLLWL | West End A.C., Philadelphia | LOST |
| 1909-06-03 | Charley Carter | debut | Broadway A.C., Philadelphia | WIN Technical knockout |
| 1909-05-20 | Eggy Clark | WWLWDW | Broadway A.C., Philadelphia | WIN |
| 1909-04-19 | Jack Miller | debut | West End A.C., Philadelphia | WIN |
| 1909-02-09 | Johnny Daly | WWWLLW | Douglas A.C., Philadelphia | DRAW |
| 1909-02-01 | Eddie Carter | LWLLLL | West End A.C., Philadelphia | LOST KO |
| 1909-01-25 | Dan McCausland | debut | West End A.C., Philadelphia | WIN |
| 1909-01-11 | Jess Schaffer | LLLWWL | West End A.C., Philadelphia | WIN |
| 1909-01-04 | Jim Payne | debut | West End A.C., Philadelphia | WIN Technical knockout |
| 1908-12-28 | Jess Schaffer | WLLLWW | West End A.C., Philadelphia | WIN |
| 1908-12-07 | Eddie Franklin | debut | West End A.C., Philadelphia | WIN KO |
| 1908-11-19 | Harry Cook | WDWDLL | Broadway A.C., Philadelphia | WIN |
| 1908-11-09 | Jack Bennett | WWWLLL | West End A.C., Philadelphia | WIN KO |
| 1908-10-26 | Jack Bennett | WWWWLL | West End A.C., Philadelphia | WIN KO |
| 1908-09-21 | Harry Cook | DDLWWD | West End A.C., Philadelphia | LOST Technical knockout |
| 1908-04-27 | Jess Schaffer | WWD | West End A.C., Philadelphia | LOST |