From a Germanic
name which referred to a member of the Germanic tribe, the Franks. The Franks settled in the regions now called France and the Netherlands in the 3rd and 4th century. They derived their tribal name from the name of a type of spear that they used. From medieval times, the various forms of this name have been commonly conflated with the various forms of Francis
The name was brought to England by the Normans. Notable bearers include author L. Frank Baum (1856-1919), architect Frank Lloyd Wright (1867-1959), and singer Frank Sinatra (1915-1998).