Sullivan vs Clark

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 #438 Most Popular 1 Syllable

"clerk, scribe, secretary"

Origin: Old English/Old French

English American Scottish

✓ All Clear

Sullivan Rank #340

Clark Rank #438

Sullivan is more popular, ranked #340 vs #438 for Clark.

Is Sullivan or Clark more popular?

Sullivan is more popular, ranked #340 compared to Clark at #438 in the United States.

What do Sullivan and Clark mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Clark means "clerk, scribe, secretary" (Old English/Old French origin).

Are Sullivan and Clark boy or girl names?

Sullivan is primarily a boy name. Clark is primarily a boy name.