Shirley Mae Jones (born March 31, 1934) is an American singer and actress of stage, film and television. In her six decades of television, she starred as wholesome characters in a number of well-known musical films, such as Oklahoma! (1955), Carousel (1956), and The Music Man (1962). She won the Academy Award for Best Supporting Actress for playing a prostitute in Elmer Gantry (1960). She is probably best known as Shirley Partridge, the widowed mother of five children in the situation-comedy television series The Partridge Family (1970–1974), co-starring her real-life stepson David Cassidy, so…