Gender / Sex: boy
Related Names: Cillian
Sounds Like: Gillian, Gillean, Gillion, Gillan, Gilian, Keillan, Kellin, Kellan
Variant forms: Kilean, Kilian, Killean
Rank as Last Name (Surname, Family Name): 2301
Killian \k(il)-lian\ as a boy's name is pronounced KIL-ee-an. It is of Irish and Gaelic origin, and the meaning of Killian is "bright-headed". From the same root as Kelly. The name is popular in France.
Killian has 3 variant forms: Kilean, Kilian and Killean.
For more information, see also the related name Cillian.
Baby names that sound like Killian are Gillian, Gillean, Gillion, Gillan, Gilian, Keillan, Kellin and Kellan.
View a list of the 2 names that reference Killian.
Killian is not a popular first name for men but a very popular surname or last name for both men and women (#2301 out of 88799). (1990 U.S. Census)