Ronan vs Sullivan

Baby Name Comparison — 2026

Ronan

Boy #257 Most Popular 2 Syllables

"little seal"

Origin: Old Irish

Irish Scottish Celtic English

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Ronan Rank #257

Sullivan Rank #340

Ronan is more popular, ranked #257 vs #340 for Sullivan.

Is Ronan or Sullivan more popular?

Ronan is more popular, ranked #257 compared to Sullivan at #340 in the United States.

What do Ronan and Sullivan mean?

Ronan means "little seal" (Old Irish origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Ronan and Sullivan boy or girl names?

Ronan is primarily a boy name. Sullivan is primarily a boy name.