Margaret Osborne duPont, who won three consecutive U.S. national tennis championships from 1948 to 1950, died Wednesday in El Paso, Texas, according to multiple media reports.
She was 94.
In addition to her three wins in the tournament that evolved into the current U.S. Open, duPont also captured the French championship in 1946 and 1949, and Wimbledon in 1947.
DuPont also won 21 women's doubles championships out of the 34 major tournaments she played: 13 U.S. titles, five Wimbledon titles and three French titles.
She added nine U.S. mixed doubles championships, plus one Wimbledon mixed double crown, in 1962 at age 44.
According to the New York Times, Margaret Evelyn Osborne was born March 4, 1918 in Joseph, Ore. She began playing tennis as a girl in San Francisco, and at 18, she won the national junior singles and doubles championships.
In 1947, she married William duPont Jr., scion of the duPont chemical company. They had one child, William III, and later divorced.
Margaret Osborne duPont was inducted into the International Tennis Hall of Fame in 1966.