No they are not related, Michael Keaton was born Michael John Douglas (on September 5, 1951 in McKees Rocks, Penn). He changed his last name in order to prevent confusion between him and famous actor Michael Douglas. After seeing an article on actress Diane Keaton, Michael decided he liked the sound of her last name. He made it his as well.Where was Michael Keaton born?
Michael Keaton was born Michael John Douglas on September 5, 1951 in Coraopolis, Pennsylvania into a Scots-Irish (Ulster Scots) family.