English edit

Etymology edit

Anglicized from Irish Ó Cuilleagain (descendant of Colgan), a personal name derived from coll (hazel tree).

Proper noun edit

Culligan (plural Culligans)

  1. A surname.

Statistics edit

  • According to the 2010 United States Census, Culligan is the 21403rd most common surname in the United States, belonging to 1222 individuals. Culligan is most common among White (94.03%) individuals.