Sullivan vs Grant

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 #241 Most Popular 1 Syllable

"large, great"

Origin: Old French

English Scottish American

✓ All Clear

Sullivan Rank #340

Grant Rank #241

Grant is more popular, ranked #241 vs #340 for Sullivan.

Is Sullivan or Grant more popular?

Grant is more popular, ranked #241 compared to Sullivan at #340 in the United States.

What do Sullivan and Grant mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Grant means "large, great" (Old French origin).

Are Sullivan and Grant boy or girl names?

Sullivan is primarily a boy name. Grant is primarily a boy name.