Frank vs Sullivan

Baby Name Comparison — 2026

Frank

Boy #469 Most Popular 1 Syllable

"free man"

Origin: Germanic via Latin

English German Italian American

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Frank Rank #469

Sullivan Rank #340

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

Is Frank or Sullivan more popular?

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

What do Frank and Sullivan mean?

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

Are Frank and Sullivan boy or girl names?

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