Rouse O'Brien (Young O'Brien) boxer
- bouts
- 45
- won
- 27
- lost
- 9
- draw
- 9
- Status
- inactive
- Division
- bantamweight
- Debut
- 1903-04-20
- Height
- 5′ 6½″/169cm
- Reach
- -
- Age
- -
- Born
- 1885-04-07
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1911-05-05 | Johnny Ritchie | debut | Terre Haute | DRAW |
| 1911-04-25 | Milburn Saylor | LDLWWW | Wonderland Park, Indianapolis | LOST Technical knockout |
| 1911-02-23 | Johnny Baker | LLDDL | Metropolitan A.C., Bronx | LOST |
| 1910-04-28 | George Alger | WDWWLL | City Hall, Augusta | DRAW |
| 1908-04-02 | Willie Mango | WWWDWW | Long Acre A.C., New York | LOST Technical knockout |
| 1908-01-15 | Kid Goodman | LLWLLD | Sharkey A.C., New York | LOST |
| 1908-01-01 | Jack Goodman | WWLW | Sharkey A.C., New York | DRAW |
| 1907-11-20 | Dave Deshler | DLLLD | Cooper A.C., Boston | DRAW Points |
| 1907-11-06 | Battling Hurley | WWWWW | Sharkey A.C., New York | LOST |
| 1907-11-05 | Dick Nelson | LDWD | Chelsea | LOST Points |
| 1907-10-22 | Young Donahue | DWWWWW | Winnisimmet A.C., Chelsea | LOST Points |
| 1907-10-08 | Dave Deshler | DLDLL | Chelsea | WIN Points |
| 1907-09-20 | Willie Moody | WDWLLD | Spring Garden A.C., Philadelphia | LOST |
| 1907-06-28 | Harlem Tommy Murphy | WWWWDL | Sharkey A.C., New York | LOST |
| 1907-06-12 | Johnny Dwyer | LDDWDW | Sharkey A.C., New York | WIN |
| 1907-06-01 | Kid Stinger | LDLLLL | Sharkey A.C., New York | WIN |
| 1907-05-23 | Bert Keyes | WDLW | Long Acre A.C., New York | WIN |
| 1907-05-22 | Johnny Marto | LLLDDW | Sharkey A.C., New York | DRAW |
| 1907-05-16 | Kid Stinger | DLDLLL | Long Acre A.C., New York | WIN |
| 1907-03-11 | Matty Baldwin | DDWWWW | Thornton | WIN |
| 1907-02-07 | Kid Goodman | LLLLWL | Rhode Island A.C., Thornton | WIN Points |
| 1907-01-26 | Johnny Allen | WWDLWL | National A.C., Philadelphia | WIN |
| 1906-12-25 | Young Kloby | WDWWWW | Lawrence | DRAW Points |
| 1906-10-23 | Matty Baldwin | WWWWDD | Lincoln A.C., Chelsea | LOST |
| 1906-05-24 | Chester Goodwin | DDLDLD | Chelsea | LOST Points |
| 1906-05-05 | Jack Langdon | WWWDWL | National A.C., Philadelphia | WIN |
| 1906-04-16 | Johnny Allen | WDDLWW | Washington S.C., Philadelphia | DRAW |
| 1906-04-07 | Grover Hayes | WWWWWW | National A.C., Philadelphia | DRAW |
| 1906-03-12 | Chester Goodwin | WDDLDL | Lincoln A.C., Chelsea | DRAW Points |
| 1906-02-22 | Frank Carsey | DLDWWW | National A.C., Philadelphia | DRAW |
| 1906-01-29 | Johnny Dwyer | WDWWWD | Washington S.C., Philadelphia | LOST |
| 1906-01-20 | Johnny Dwyer | WWDWWW | National A.C., Philadelphia | DRAW |
| 1905-12-16 | Tommy O'Toole | WWWWWW | National A.C., Philadelphia | LOST |
| 1905-11-30 | Johnny Dwyer | WWWWDW | National A.C., Philadelphia | LOST |
| 1905-11-18 | Harlem Tommy Murphy | WWWWLW | National A.C., Philadelphia | LOST |
| 1905-10-14 | Frank Carsey | WWLWLL | National A.C., Philadelphia | DRAW |
| 1905-05-22 | Tommy Scully | LWWLLW | Brockton | WIN KO |
| 1905-04-19 | Tommy Feltz | DLLLLD | Chelsea | WIN Points |
| 1905-04-10 | Tommy Feltz | LDLLLL | Auditorium, Portland | DRAW Points |
| 1905-03-17 | Kid Taylor | WLDDDW | Douglas A.C., Chelsea | WIN Points |
| 1905-02-20 | Pinky Evans | WWWWWD | Brockton | DRAW Points |
| 1904-12-19 | Andy Daly | LDLDWD | Cambridge A.A., Cambridge | WIN Points |
| 1904-11-28 | Emergency Kelly | LDLDLL | Cambridge A.C., Cambridge | WIN Points |
| 1904-11-10 | Emergency Kelly | WLDLDL | Union A.C., Cambridge | WIN |
| 1904-10-21 | Tony Lewis | L | Young Men's S & AC, Brockton | WIN KO |
| 1904-10-20 | Peter Kelly | DLDDLD | Union A.C., Cambridge | DRAW Points |
| 1904-10-03 | Eddie Carr | DDLWLL | Cambridge A.A., Cambridge | WIN Points |
| 1904-08-22 | Al Delmont | WWWWWL | Cambridge | DRAW Points |
| 1904-08-05 | Eddie Carr | WDDLWL | Marlborough Theater, Marlborough | WIN Technical knockout |
| 1904-08-04 | Eddie Carr | WWDDLW | Marlborough | WIN Points |
| 1904-06-27 | Johnny Lynch | LLDDLD | Cambridge A.A., Cambridge | WIN Points |
| 1904-05-14 | Kid Taylor | WWLWWL | Chicago A.C., Chicago | DRAW Points |
| 1904-05-07 | Kid Taylor | LWWLWW | Chicago A.A., Chicago | WIN Points |
| 1904-04-22 | Tommy Scully | LLWWLW | Battery D Armory, Chicago | LOST KO |
| 1904-03-31 | Al Delmont | DDWWWD | Physical Culture Club, Fitchburg | LOST Points |
| 1904-02-22 | Johnny Lynch | DLDWLL | Warren A.C., New Bedford | WIN KO |
| 1904-01-08 | Patsy McKenna | WWDWLD | Lenox A.C., Boston | WIN Technical knockout |
| 1903-12-22 | Danny Murray | LDWLLL | Criterion A.C., Boston | WIN Technical knockout |
| 1903-12-18 | Young Cahill | WLWLL | Lenox A.C., Boston | WIN KO |
| 1903-12-02 | Patsy McKenna | LLWWDW | Central A.C., Boston | WIN Points |
| 1903-11-26 | Kid Lewis | LDLWWW | Tammany A.C., Roxbury | WIN |
| 1903-11-09 | Danny Murray | DLDWLL | Tammany A.C., Roxbury | WIN Points |
| 1903-11-06 | Young Simms | debut | Lenox A.C., Boston | WIN Technical knockout |
| 1903-10-09 | Patsy McKenna | LDLLWW | Lenox A.C., Boston | DRAW Points |
| 1903-10-07 | Kid Terrell | LLLLLD | Broadway A.C., Boston | WIN Technical knockout |
| 1903-10-05 | Jimmy Boudreau | debut | American A.C., Boston | WIN KO |
| 1903-10-02 | Danny Murray | DDLDWL | Lenox A.C., Boston | WIN Points |
| 1903-06-22 | Joe Hunter | debut | Sarsfield A.C., Boston | WIN Points |
| 1903-06-19 | Eddie Carr | DWWDDW | Lenox A.C., Boston | LOST Points |
| 1903-05-06 | Ed White | debut | Essex A.C., Boston | LOST Points |
| 1903-04-20 | Johnny Fitzgerald | WWW | Lenox A.C., Boston | WIN Points |