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Margaret Evelyn Osborne duPont

Personal information
Date of birth	March 4, 1918 (1918-03-04) (age 89)
Place of birth	Joseph, Oregon
Grand Slam singles championships (6)
French Championships	1946, 1949
Wimbledon	1947
U.S. Championships	1948, 1949, 1950

Margaret Evelyn Osborne duPont (born on March 4, 1918, in Joseph, Oregon, United States) is a former American female tennis player.

DuPont won a total of 37 singles, women's doubles, and mixed doubles Grand Slam titles, which places her fourth on the all-time list despite never entering the Australian Championships. She won 25 of her Grand Slam titles at the U.S. Championships, which is an all-time record.

DuPont won 6 Grand Slam singles titles, saving match points in the finals of the 1946 French Championships (versus Pauline Betz Addie) and 1948 U.S. Championships (versus Louise Brough Clapp). In terms of games played, the 1948 final at the U.S. Championships is the longest women's singles final ever played at that tournament (48 games).

DuPont teamed with Brough Clapp to win 20 Grand Slam women's doubles titles, which ties Martina Navratilova and Pam Shriver for the most Grand Slam titles ever won by a women's doubles team. DuPont and Brough Clapp won nine consecutive titles at the U.S. Championships from 1942 through 1950. They won that tournament 12 of the 14 years they entered as a team. Their 12 titles is an all-time record for a women's doubles team at the U.S. Championships, easily surpassing the four career titles won by the teams of Navratilova and Shriver, Doris Hart and Shirley Fry Irvin, and Sarah Palfrey Cooke and Alice Marble. DuPont won a total of 13 women's doubles titles at the U.S. Championships, which also is an all-time record, as is her 10 consecutive women's doubles titles at the U.S. Championships from 1941 through 1950.

DuPont won more mixed doubles titles at the U.S. Championships than any other player. She won nine titles, including four with William Talbert (a record for a mixed doubles team at the U.S. Championships) and three with Neale Fraser.

DuPont was ranked in the U.S. top 10 (seventh) for the first time in 1938. Her last U.S. top 10 ranking (fifth) was in 1958. Over that 21 year period, she was ranked in the U.S. top 10 fourteen times.

DuPont was undefeated in ten Wightman Cup competitions, winning her ten singles and nine doubles matches. She also captained the U.S. team nine times, winning eight.

DuPont married William duPont in 1947 and later interrupted her career to give birth to a son. She was one of the few women to win a major title after childbirth.

DuPont never played the Australian Championships because her husband would not let her. "They didn't start to invite people down there and pay their expenses until I got married, and that was wintertime and Will's vacation time, and I just never got to go. He threatened to divorce me if I went to Australia, so I never went. He had that respiratory trouble, and he wanted me to come to California with him. He thought I should be with him. That was that."^[1]

She was inducted into the International Tennis Hall of Fame in 1967.

Contents 1 Grand Slam record 2 Grand Slam singles finals 2.1 Wins (6) 2.2 Runner-ups (4) 3 Grand Slam singles tournament timeline 3.1 See also 4 External links 5 References

• French Championships (5)
  • Singles champion (2): 1946, 1949
  • Women's Doubles champion (3): 1946, 1947, 1949
  • Women's Doubles runner-up: 1950

• Wimbledon (7)
  • Singles champion: 1947
  • Singles runner-up (2): 1949, 1950
  • Women's Doubles champion (5): 1946, 1948, 1949, 1950, 1954
  • Women's Doubles runner-up (3): 1947, 1951, 1958
  • Mixed Doubles champion: 1962
  • Mixed Doubles runner-up: 1954

• U.S. Championships (25)
  • Singles champion (3): 1948, 1949, 1950
  • Singles runner-up (2): 1944, 1947
  • Women's Doubles champion (13): 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1955, 1956, 1957
  • Women's Doubles runner-up (2): 1953, 1954
  • Mixed Doubles champion (9): 1943, 1944, 1945, 1946, 1950, 1956, 1958, 1959, 1960
  • Mixed Doubles runner-up (3): 1948, 1949, 1954

Year	Championship	Opponent in Final	Score in Final
1946	French Championships	Pauline Betz Addie	1-6, 8-6, 7-5
1947	Wimbledon	Doris Hart	6-2, 6-4
1948	U.S. Championships	Louise Brough Clapp	4-6, 6-4, 15-13
1949	French Championships (2)	Nelly Adamson-Landry	7-5, 6-2
1949	U.S. Championships (2)	Doris Hart	6-3, 6-1
1950	U.S. Championships (3)	Doris Hart	6-4, 6-3

Year	Championship	Opponent in Final	Score in Final
1944	U.S. Championships	Pauline Betz Addie	6-3, 8-6
1947	U.S. Championships	Louise Brough Clapp	8-6, 4-6, 6-1
1949	Wimbledon	Louise Brough Clapp	10-8, 1-6, 10-8
1950	Wimbledon	Louise Brough Clapp	6-1, 3-6, 6-1

Tournament	1938	1939	1940	1941	1942	1943	1944	1945	1946	1947	1948	1949	1950	1951	1952	1953	1954	1955	1956	1957	1958	1959	1960	1961	1962	Career SR
Australia	A	A	A	NH	NH	NH	NH	NH	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	0 / 0
France	A	A	NH	R	R	R	R	A	W	SF	A	W	QF	SF	A	A	A	A	A	A	A	A	A	A	A	2 / 5
Wimbledon	A	A	NH	NH	NH	NH	NH	NH	SF	W	SF	F	F	QF	A	A	QF	A	A	A	QF	A	A	A	1R	1 / 9
United States	2R	A	3R	SF	SF	QF	F	QF	QF	F	W	W	W	A	A	QF	3R	A	QF	A	3R	A	1R	A	A	3 / 17
SR	0 / 1	0 / 0	0 / 1	0 / 1	0 / 1	0 / 1	0 / 1	0 / 1	1 / 3	1 / 3	1 / 2	2 / 3	1 / 3	0 / 2	0 / 0	0 / 1	0 / 2	0 / 0	0 / 1	0 / 0	0 / 2	0 / 0	0 / 1	0 / 0	0 / 1	6 / 31

NH = tournament not held.

R = tournament restricted to French nationals and held under German occupation.

A = did not participate in the tournament.

SR = the ratio of the number of Grand Slam singles tournaments won to the number of those tournaments played.

• Performance timelines for all female tennis players who reached at least one Grand Slam final

• International Tennis Hall of Fame profile

1. ^ Billie Jean King with Cynthia Starr (1988). We Have Come a Long Way: The Story of Women's Tennis. New York: McGraw-Hill, 70. ISBN 0-07-034625-9.