Sean vs Sullivan

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 #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Sean Rank #437

Sullivan Rank #340

Sullivan is more popular, ranked #340 vs #437 for Sean.

Is Sean or Sullivan more popular?

Sullivan is more popular, ranked #340 compared to Sean at #437 in the United States.

What do Sean and Sullivan mean?

Sean means "God is gracious" (Hebrew via Irish origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Sean and Sullivan boy or girl names?

Sean is primarily a boy name. Sullivan is primarily a boy name.