Killian vs Kilyan

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 #4,586 Most Popular 3 Syllables

"bright-headed"

Origin: Old Irish

Irish French German English

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Killian Rank #370

Kilyan Rank #4,586

Killian is more popular, ranked #370 vs #4586 for Kilyan.

Is Killian or Kilyan more popular?

Killian is more popular, ranked #370 compared to Kilyan at #4586 in the United States.

What do Killian and Kilyan mean?

Killian means "associated with the church" (Irish Gaelic origin). Kilyan means "bright-headed" (Old Irish origin).

Are Killian and Kilyan boy or girl names?

Killian is primarily a boy name. Kilyan is primarily a boy name.