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Smart Baby Names: Dictionary of Baby Names, Meanings and Origins.

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Name Origins

Boy Name: Killian

Name: Killian
Pronunciation: \k(il)-lian\
Gender / Sex: boy name boy
Meaning: bright-headed
Origin: Irish
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)

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