Sullivan vs Bryan

Baby Name Comparison — 2026

Sullivan

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #306 Most Popular 2 Syllables

Irish Celtic English American

✓ All Clear

Sullivan Rank #340

Bryan Rank #306

Bryan is more popular, ranked #306 vs #340 for Sullivan.

Is Sullivan or Bryan more popular?

Bryan is more popular, ranked #306 compared to Sullivan at #340 in the United States.

What do Sullivan and Bryan mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Sullivan and Bryan boy or girl names?

Sullivan is primarily a boy name. Bryan is primarily a boy name.