From Wikipedia, the free encyclopedia. Patricia Ann Sheehan, also known as Patricia Sheehan Crosby (September 7, 1931 in San Francisco, California – January 14, 2006 in Beverly Hills, California) was an American actress and model. She was Playboy magazine's Playmate of the Month for its October 1958 issue. Description above from the Wikipedia article Pat Sheehan, licensed under CC-BY-SA, full list of contributors on Wikipedia.