Mary Ray may refer to: Mary Ellen Ray (1931–2004), American-born actress in the UK Mary Ray (author) (1932–2003), British children's author Mary Josephine Ray (1895–2010), Canadian supercentenarian Mary Lyn Ray (born 1946), American author, conservationist, and historic preservationist Mary Ray (dog trainer), British dog trainer Mary Ruth Ray (1956–2013), American classical musician