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Cillian

Boy · Irish · Medium name

Meaning
Little church; warlike

Meaning varies between reference sources.

Pronunciation
KIL-ee-an
Origin
Irish

From Irish, possibly from 'ceall' meaning church or 'ceallach' meaning war.

Popularity
Uncommon in United States (2023)

Popularity: US SSA, 2023

ModernVintageInternational

Languages in use: Irish

Commonly used in: United States, Ireland, United Kingdom

Alternate spellings

  • KillianEnglish / German

    Anglicized form.

Similar names

Matched on shared origin, language, or verified meaning themes. Spelling similarity alone is not treated as a linguistic relationship.

Kelly

KEL-ee

Gender-neutral · Irish

Meaning: Bright-headed, church, strife

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Killian

KIL-ee-an

Boy · Irish

Meaning: Little church or bright-headed

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Bridget

BRIJ-it

Girl · Irish

Meaning: Exalted one, high one

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Eilis

AY-lish

Girl · Irish

Meaning: My God is an oath, God is my oath

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Sources for this record

US SSA, Baby Names from Social Security Card Applications (2023). Last verified 2025-01-20.

How Lucky Stork verifies name data →