Killian is a masculine name that is Irish and Gaelic in origin. As the Anglicized version of Cillian, Killian is understood to mean "church" or "war strife." The name is increasing in popularity in the United States, but Killian is a much more popular name in France and Ireland.
Similar Names: Cillian, Kylian
Famous Killian Names: Killian Miller (former U.S. Congressman from New York), Killian Brennan (soccer player)