Johnny O'Brien boxer
- bouts
- 69
- won
- 30
- lost
- 31
- draw
- 8
- Status
- inactive
- Division
- featherweight
- Debut
- 1950-06-06
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1933-03-17
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1958-03-17 | Andy Arel | LLWLWW | Legion Arena, Lake Worth | LOST Points |
| 1957-09-17 | Alfonso Estrada | DDWLLL | Auditorium, Miami Beach | LOST Points |
| 1957-06-05 | John Tombley | DWWWWL | Auditorium, Miami Beach | DRAW Points |
| 1957-05-14 | Pee Wee Sanchez | WLDLD | Auditorium, Miami Beach | WIN Points |
| 1957-04-02 | Rudy Ortega | WWWLLW | Auditorium, Miami Beach | DRAW Points |
| 1956-06-03 | Rudy Ortega | WDDWWW | Miami Beach | LOST Points |
| 1956-03-12 | Harold Gomes | WWWWWW | Rhode Island Auditorium, Providence | LOST Unanimous decision |
| 1956-03-06 | Dom Sacco | WWWLLL | Valley Arena, Holyoke | LOST Split-decision |
| 1956-01-10 | Bobby Courchesne | WLWWWW | Valley Arena, Holyoke | LOST Unanimous decision |
| 1955-12-22 | Pappy Gault | WLWLWL | Spartanburg | LOST Points |
| 1955-06-22 | Tony Grasso | WWWWLW | Plainville Stadium, Plainville | WIN KO |
| 1955-05-27 | Robert Oliphant | debut | Charlotte | LOST Points |
| 1955-03-10 | Fili Nava | LLWWWW | Arena Coliseo, Mexico City | LOST Points |
| 1954-12-09 | Pappy Gault | LWDWLL | Legion Arena, West Palm Beach | WIN Majority decision |
| 1954-11-22 | Joe Guillette | LLWLL | Stanley Arena, New Britain | WIN Points |
| 1954-11-01 | Tony Grasso | WDWWWW | New Britain | LOST Points |
| 1954-10-02 | Joe Guillette | LLWL | Worcester | WIN KO |
| 1954-03-15 | Harold Gomes | WWWWLW | Boston Garden, Boston | LOST Unanimous decision |
| 1954-03-01 | Art Mullins | LDWLWW | Valley Arena, Holyoke | LOST Unanimous decision |
| 1953-12-12 | Gerry Tessier | WWWWWL | Boston Garden, Boston | WIN Points |
| 1953-11-21 | Pat Mallane | WDLLWW | Waterbury | LOST KO |
| 1953-05-11 | Bill Bossio | LWLLWW | Valley Arena, Holyoke | LOST Unanimous decision |
| 1953-04-06 | Tommy Tibbs | LWLWLW | Arena, Boston | LOST Unanimous decision |
| 1953-03-21 | Tommy Tibbs | LWLWLW | Arena, Boston | WIN Unanimous decision |
| 1953-02-27 | Joey Gambino | WWWWDD | Legion Arena, West Palm Beach | LOST Split-decision |
| 1953-02-13 | Joey Gambino | WWWWWD | Legion Arena, West Palm Beach | DRAW Points |
| 1953-01-30 | Joey Gambino | WWWWWW | Legion Arena, West Palm Beach | DRAW Points |
| 1953-01-05 | Bobby Davis | WW | Rhode Island Auditorium, Providence | WIN Technical knockout |
| 1952-12-18 | Frankie Alvarez | LLWWLL | Portland | WIN KO |
| 1952-10-27 | Joey Cam | LLLWWW | Arena, Boston | LOST Technical knockout |
| 1952-06-20 | Bluey Wilkins | WLWWLD | West Melbourne Stadium, Melbourne | LOST Points |
| 1952-06-02 | Ray 'Mustard' Coleman | LWLWWL | Sydney Stadium, Sydney | WIN Points |
| 1952-05-12 | Jimmy Carruthers | WWWWWW | Sydney Stadium, Sydney | LOST Points |
| 1952-01-28 | Fernando Gagnon | DWWWLW | Quebec City | LOST Points |
| 1951-12-10 | Alex Fimbres | WWLLLL | St. Nicholas Arena, New York | LOST KO |
| 1951-12-03 | Fernando Gagnon | WWDWWW | Quebec City | WIN Unanimous decision |
| 1951-11-19 | Alex Fimbres | WWWLLL | St. Nicholas Arena, New York | WIN Points |
| 1951-10-09 | Bill Bossio | WWWWWW | Westchester County Center, White Plains | LOST Unanimous decision |
| 1951-08-16 | Bill Bossio | WLWWWW | Nolan Field, Ansonia | LOST Points |
| 1951-07-05 | Danny Falcone | LLLLLL | Thompsonville | WIN Corner retirement |
| 1951-06-25 | Myrel Olmstead | LWDD | Thompsonville Arena, Thompsonville | WIN Points |
| 1951-04-26 | Bernie Murray | WWWWWL | City Hall, Bangor | LOST KO |
| 1951-03-22 | Charlie Gomes | LLL | Casino, Fall River | WIN Points |
| 1951-03-19 | Charlie Gomes | LL | Rhode Island Auditorium, Providence | WIN Split-decision |
| 1951-03-15 | Bobby Chabot | WWWWWL | Casino, Fall River | LOST Points |
| 1951-03-12 | Bobby Chabot | WWWWWW | Boston Garden, Boston | WIN Split-decision |
| 1951-03-05 | Charlie Gomes | L | Rhode Island Auditorium, Providence | WIN Points |
| 1951-03-01 | Bobby Chabot | LWWWWW | Casino, Fall River | LOST Points |
| 1951-02-12 | Pancho Villa | LLLLLL | Rhode Island Auditorium, Providence | WIN Points |
| 1951-01-29 | Pancho Villa | LLLLL | Mechanics Building, Boston | WIN Unanimous decision |
| 1951-01-08 | Tony Scott | WW | Fall River | WIN Points |
| 1951-01-01 | Teddy St Jean | WWWWWW | Rhode Island Auditorium, Providence | LOST Points |
| 1950-12-18 | Pancho Villa | LLLL | Mechanics Building, Boston | WIN Points |
| 1950-12-11 | Pancho Villa | LLL | New Bedford | WIN Points |
| 1950-11-27 | Bobby Chabot | WDLWWW | Mechanics Building, Boston | LOST Points |
| 1950-11-20 | Bobby Chabot | WWDLWW | Rhode Island Auditorium, Providence | LOST Split-decision |
| 1950-11-13 | Al Smith | LLLLDL | Mechanics Building, Boston | WIN Unanimous decision |
| 1950-10-23 | Frankie Alvarez | LLLWWL | Arena, Boston | WIN Technical knockout |
| 1950-10-16 | Pancho Villa | L | Boston Garden, Boston | WIN Unanimous decision |
| 1950-09-25 | Al Smith | LLLLLL | Arena, Boston | DRAW Points |
| 1950-09-18 | Teddy St Jean | WWWWW | Rhode Island Auditorium, Providence | LOST Points |
| 1950-09-12 | Myrel Olmstead | LWD | Page Arena, New Bedford | DRAW Points |
| 1950-09-05 | Myrel Olmstead | LW | Page Arena, New Bedford | DRAW Points |
| 1950-08-22 | Pancho Villa | debut | Page Arena, New Bedford | WIN Points |
| 1950-08-08 | Bobby Chabot | DWLD | Page Arena, New Bedford | DRAW Points |
| 1950-07-25 | Bobby Chabot | DW | Page Arena, New Bedford | WIN Points |
| 1950-07-18 | Teddy St Jean | WWWW | Page Arena, New Bedford | LOST Points |
| 1950-06-13 | Myrel Olmstead | debut | New Bedford | WIN Points |
| 1950-06-06 | Hughie O'Rourke | L | Page Arena, New Bedford | WIN KO |