Killian vs Jaylen

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Boy #325 Most Popular 2 Syllables

"modern coinage combining Jay + Len"

Origin: American English

African-American English

✓ All Clear

Killian Rank #370

Jaylen Rank #325

Jaylen is more popular, ranked #325 vs #370 for Killian.

Is Killian or Jaylen more popular?

Jaylen is more popular, ranked #325 compared to Killian at #370 in the United States.

What do Killian and Jaylen mean?

Killian means "associated with the church" (Irish Gaelic origin). Jaylen means "modern coinage combining Jay + Len" (American English origin).

Are Killian and Jaylen boy or girl names?

Killian is primarily a boy name. Jaylen is primarily a boy name.