Sullivan vs Frank

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 #469 Most Popular 1 Syllable

"free man"

Origin: Germanic via Latin

English German Italian American

✓ All Clear

Sullivan Rank #340

Frank Rank #469

Sullivan is more popular, ranked #340 vs #469 for Frank.

Is Sullivan or Frank more popular?

Sullivan is more popular, ranked #340 compared to Frank at #469 in the United States.

What do Sullivan and Frank mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Frank means "free man" (Germanic via Latin origin).

Are Sullivan and Frank boy or girl names?

Sullivan is primarily a boy name. Frank is primarily a boy name.