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What does Killian mean?

Killian Pronunciation of Killian [kil-lian] as a boys' 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.

Associated with: irish, bright, popular (famous).


Killian has 3 variants: Kilean, Kilian and Killean.

Affiliated boy name: Cillian.

Creative forms:
(male) Kalian, Killina, ..

(female) Killia, Kilney, ..

Middle name pairings:
Killian Filip (K.F.), ..

How popular is Killian?

Killian is an uncommonly occurring first name for males but a very prominent last name for both adults and children (#2771 out of 150436, Top 2%). (2000 U.S. Demographics)

Killian entered the list in 1990 and reached its apex rank of #348 in the U.S. in the year 2015. (2015 U.S. SSA Records)

Top 2000 baby names ranking of Killian name in U.S.

Top 100 baby names ranking of Killian outside U.S.

Which version is better?

with its variant forms and related boy names. Kilian (#1330 last year), Cillian (#1407) and Kelly (#1582) are the popular alternative forms of Killian (#348 last year) listed in the Top 2000. These relations of Killian reached the apex of their popularity 6 decades ago (usage of 0.1%) and have become much less common since (usage 0.1%, 52.1% less), with the form Kelly becoming somewhat outmoded. Kelly is the clear favorite, although Killian seems to be getting popular too.

Top 2000 baby names ranking of Killian, Cillian, Kelly, Kilian in U.S.

Top 100 baby names ranking of Killian, Cillian outside U.S.

Similar Names

Killian is pronounced similarly to Callan, Collin, Cullan, Cullin, Kaelan, Kaelin, Kalan, Kalin, Kealan, Keallan, Keallin, Keelan, Keelin, Keilan, Keillan, Kelan, Kellan, Kellen, Kellin, Kelwin, Kelwinn, Kylan and Quillan. Other suggested similar names are Ailean, Cullinan, Dallan, Dilan, Dillan, Eilan, Eilean, Eilian, Elian, Emilian, Filian, Fillan, Foillan (see Faolan), Gilean, Gilian, Gillan, Gillean, Gillian, Gillion, Gillman, Gilman, Gilzean, Gullan, Karlan, Karlin, Katlin, Kellton, Kellven, Kian, Kiean, Kienan, Kieran, Kiernan, Kingman, Kiran, Kirklin, Klein, Koltin, Kristian, Mellan, Midian, Milan, Nollan, Rollan, Salvian, Siprian, Stillman, Sullivan, Tallan, Tillman, Vivian and William. These names tend to be more commonly used than Killian.

See names
in meaning and etymology.