Killian vs Seth

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 #559 Most Popular 1 Syllable

"appointed, placed by God"

Origin: Hebrew Shet (שֵׁת)

English American Biblical Egyptian

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Killian Rank #370

Seth Rank #559

Killian is more popular, ranked #370 vs #559 for Seth.

Is Killian or Seth more popular?

Killian is more popular, ranked #370 compared to Seth at #559 in the United States.

What do Killian and Seth mean?

Killian means "associated with the church" (Irish Gaelic origin). Seth means "appointed, placed by God" (Hebrew Shet (שֵׁת) origin).

Are Killian and Seth boy or girl names?

Killian is primarily a boy name. Seth is primarily a boy name.