King vs Killian

Baby Name Comparison — 2026

King

Boy #343 Most Popular 1 Syllable

"king, ruler, monarch"

Origin: Old English

American English African American

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

King Rank #343

Killian Rank #370

King is more popular, ranked #343 vs #370 for Killian.

Is King or Killian more popular?

King is more popular, ranked #343 compared to Killian at #370 in the United States.

What do King and Killian mean?

King means "king, ruler, monarch" (Old English origin). Killian means "associated with the church" (Irish Gaelic origin).

Are King and Killian boy or girl names?

King is primarily a boy name. Killian is primarily a boy name.