Killian vs Kasen

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 #555 Most Popular 2 Syllables

"modern American coinage, son of Case"

Origin: American English

American English

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Killian Rank #370

Kasen Rank #555

Killian is more popular, ranked #370 vs #555 for Kasen.

Is Killian or Kasen more popular?

Killian is more popular, ranked #370 compared to Kasen at #555 in the United States.

What do Killian and Kasen mean?

Killian means "associated with the church" (Irish Gaelic origin). Kasen means "modern American coinage, son of Case" (American English origin).

Are Killian and Kasen boy or girl names?

Killian is primarily a boy name. Kasen is primarily a boy name.