Sean vs Killian

Baby Name Comparison — 2026

Sean

Boy #437 Most Popular 1 Syllable

"God is gracious"

Origin: Hebrew via Irish

Irish English American Scottish

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Sean Rank #437

Killian Rank #370

Killian is more popular, ranked #370 vs #437 for Sean.

Is Sean or Killian more popular?

Killian is more popular, ranked #370 compared to Sean at #437 in the United States.

What do Sean and Killian mean?

Sean means "God is gracious" (Hebrew via Irish origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Sean and Killian boy or girl names?

Sean is primarily a boy name. Killian is primarily a boy name.