From Wikipedia, the free encyclopedia Donna Douglas (born Doris Ione Smith; September 26, 1932 – January 1, 2015) was an American actress and singer, known for her role as Elly May Clampett in CBS's The Beverly Hillbillies (1962–1971). Following her acting career, Douglas became a real estate agent, gospel singer, inspirational speaker, and author of books for children and adults. Although Douglas was an active actress in the 1960s, she was still relatively unknown when selected from among 500 young actresses to work alongside veteran actor …