Killian vs Johnathan

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 #518 Most Popular 3 Syllables

"God has given"

Origin: Hebrew

English American Christian

✓ All Clear

Killian Rank #370

Johnathan Rank #518

Killian is more popular, ranked #370 vs #518 for Johnathan.

Is Killian or Johnathan more popular?

Killian is more popular, ranked #370 compared to Johnathan at #518 in the United States.

What do Killian and Johnathan mean?

Killian means "associated with the church" (Irish Gaelic origin). Johnathan means "God has given" (Hebrew origin).

Are Killian and Johnathan boy or girl names?

Killian is primarily a boy name. Johnathan is primarily a boy name.