| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Mark Algernon Quinn•Darley |
| Used name | Mark•Darley |
| Born | 6 April 1926 in Bradford-on-Avon, England (GBR) |
| Died | 26 March 1991 in Hockworthy, England (GBR) |
| NOC | Ireland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Equestrian Eventing (Equestrian) | IRL |
Mark Darley | |||
| Individual, Men (Olympic) | Emily Little | 33 | ||||
| Team, Men (Olympic) | Emily Little / Ireland | 6 |