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What does Killian mean?

Killian Pronunciation of Killian 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)


VARIANTS Kilean, Kilian, Killean

SEE ALSO Cillian



Killian Royce (K.R.), ..

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 #264 in the U.S. in the year 2016. (2016 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?

Cillian (#1107 LAST YEAR), Kilian (#1179) and Kelly (#1476) are the popular alternative forms of Killian (#264) listed in the Top 2000. These relations of Killian reached the apex of their popularity 6 decades ago (USAGE OF 0.1%) and are somewhat less common today (USAGE 0.1%, 33.1% 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-sounding 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.

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in meaning and etymology.