Mary Virginia Martin (December 1, 1913 – November 3, 1990) was an American actress and singer. A muse of Rodgers and Hammerstein, she originated many leading roles on stage over her career, including Nellie Forbush in South Pacific (1949), the title character in Peter Pan (1954), and Maria von Trapp in The Sound of Music (1959). She was named a Kennedy Center Honoree in 1989. She was the mother of actor Larry Hagman.
