| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Henry Vincent•O'Brien, Jr. |
| Used name | Henry•O'Brien, Jr. |
| Nick/petnames | Cocky |
| Born | 5 April 1910 in San José, California (USA) |
| Died | 18 April 1973 in Santa Clara County, California (USA) |
| Affiliations | Century Road Club |
| NOC | United States |
Henry O’Brien rode for the Century Road Club and competed for the United States in the road race at both the 1928 and 1932 Olympics. O’Brien later rode some 6-day races through the 1930s, winning 16 of the 56 6-day races in which he competed, including one in 1934 with Cecil Yates, who was a renowned 6-day racer in that era. O’Brien, based in California, was born and died there.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Cycling Road (Cycling) | USA |
Henry O'Brien, Jr. | |||
| Road Race, Individual, Men (Olympic) | 58 | |||||
| Road Race, Team, Men (Olympic) | United States | 15 | ||||
| 1932 Summer Olympics | Cycling Road (Cycling) | USA |
Henry O'Brien, Jr. | |||
| Road Race, Individual, Men (Olympic) | 11 | |||||
| Road Race, Team, Men (Olympic) | United States | 6 |