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Killian

Boy #8727 in 2023

Killian is a boy name that appears in U.S. Social Security records.

Popularity of Killian

Popularity, 1915–2023

896 births in 2023

1915 2023

14,562 U.S. births recorded from 1915–2023. Used for both boys and girls — see notes below.

Peak year

2017

1,527 babies

First recorded

1915

108 years of history

Recent trend

Falling

Last 5 yrs vs. prior 5

Similar names

Boy · Scottish Gaelic

Originally used in Scotland, popular in all English-speaking countries in the 20th century

Name of a seventh-century Irish saint, from Caoimhghin or Caoimhín, from Cóemgen

Girl · Ancient Greek

From Karen, a vernacular form of Catherine that arose in medieval Denmark

Girl · English

Popular in the 1960s and the 1970s

From several places in Scotland and Northern Ireland, derived from Gaelic caol (“narrows”)

About this page

Popularity counts come from the U.S. Social Security Administration's national dataset. Meanings and origins are curated from etymological sources. If you spot an error, please let us know.