Killian vs Nash

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

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Boy #240 Most Popular 1 Syllable

"at the ash tree"

Origin: Old English

American English

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Killian Rank #370

Nash Rank #240

Nash is more popular, ranked #240 vs #370 for Killian.

Is Killian or Nash more popular?

Nash is more popular, ranked #240 compared to Killian at #370 in the United States.

What do Killian and Nash mean?

Killian means "associated with the church" (Irish Gaelic origin). Nash means "at the ash tree" (Old English origin).

Are Killian and Nash boy or girl names?

Killian is primarily a boy name. Nash is primarily a boy name.