Patterson is a common Scottish and Irish surname that originated from the given name Patrick. The name means “nobleman” or “patrician”. The Patterson family can be traced back to the 14th century in Scotland. In Ireland, the name was originally spelled “Ó Casaide” meaning “descendant of Casaidhe”. The name has spread throughout the world and is now commonly found in the United States and Canada. Famous Pattersons include author James Patterson and football player Adrian Peterson.