Perhaps the most famous Pat in history is St. Patrick, thanks to his legendary work in Ireland and the beloved international holiday that bears his name. In more modern times, Pats of all kinds have made great contributions to our culture. Whether they go by Pat, Patrick, Patricia, Patsy, Paddy, or Patrice, these luminaries have made our world a better place. Take a look the great Pats of the past, and click on any photo for more about the famous Pat.