| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Marjorie Benezet•Haines (-Gill) |
| Used name | Marjorie•Haines |
| Nick/petnames | Cubby |
| Born | 18 November 1928 in Gwynedd Valley, Pennsylvania (USA) |
| Died | 7 June 2014 in King Of Prussia, Pennsylvania (USA) |
| Affiliations | Morristown YMCA (Young Men's Christian Association) |
| NOC | United States |
Marjorie Haines graduated from Abington Friends High School in 1945 and graduated from the Moore College of Art. She was the first US woman to compete in Olympic equestrian, as a dressage entrant in 1952. Haines was primarily a show jumper, but learned dressage because women were not allowed to compete in jumping until 1956. She later became a horse trainer and taught riding to many people in the Philadelphia area. She was also interested in jewelry, music, and gardening.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Equestrian Dressage (Equestrian) | USA |
Marjorie Haines | |||
| Individual, Open (Olympic) | The Flying Dutchman | 17 | ||||
| Team, Open (Olympic) | The Flying Dutchman / United States | 6 |