Brian vs Sullivan

Baby Name Comparison — 2026

Brian

Boy #301 Most Popular 2 Syllables

"noble, high"

Origin: Celtic

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

Brian Rank #301

Sullivan Rank #340

Brian is more popular, ranked #301 vs #340 for Sullivan.

Is Brian or Sullivan more popular?

Brian is more popular, ranked #301 compared to Sullivan at #340 in the United States.

What do Brian and Sullivan mean?

Brian means "noble, high" (Celtic origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Brian and Sullivan boy or girl names?

Brian is primarily a boy name. Sullivan is primarily a boy name.