S. Clay Wilson was born on July 25, 1941 in Lincoln, Nebraska, USA. S. Clay was married to Lorraine Chamberlain. S. Clay died on February 7, 2021 in San Francisco, California, USA.
He studied art and anthropology at the University of Nebraska and served in the Army. He moved to San Francisco in 1968, where he met Robert Crumb and began contributing to Zap Comix.