Sullivan vs Derek

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 #258 Most Popular 2 Syllables

"ruler of the people"

Origin: Germanic

English American Dutch German

✓ All Clear

Sullivan Rank #340

Derek Rank #258

Derek is more popular, ranked #258 vs #340 for Sullivan.

Is Sullivan or Derek more popular?

Derek is more popular, ranked #258 compared to Sullivan at #340 in the United States.

What do Sullivan and Derek mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Derek means "ruler of the people" (Germanic origin).

Are Sullivan and Derek boy or girl names?

Sullivan is primarily a boy name. Derek is primarily a boy name.