| Roles | Non-starter |
|---|---|
| Sex | Male |
| Full name | Oscar Lloyd•St. Cyr |
| Used name | Oscar•St. Cyr |
| Born | 12 January 1883 in Lincoln, Nebraska (USA) |
| Died | November 1970 in Philadelphia, Pennsylvania (USA) |
| Affiliations | Chicago Central YMCA, Chicago (USA) |
| NOC |  United States |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1904 Summer Olympics | Swimming (Aquatics) | USA |
Oscar St. Cyr | |||
| 50 metres Freestyle, Men (Olympic) |
