Sullivan vs Kaison

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 #513 Most Popular 2 Syllables

"modern blend of Kai (sea) and -son suffix"

Origin: American

American

✓ All Clear

Sullivan Rank #340

Kaison Rank #513

Sullivan is more popular, ranked #340 vs #513 for Kaison.

Is Sullivan or Kaison more popular?

Sullivan is more popular, ranked #340 compared to Kaison at #513 in the United States.

What do Sullivan and Kaison mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Kaison means "modern blend of Kai (sea) and -son suffix" (American origin).

Are Sullivan and Kaison boy or girl names?

Sullivan is primarily a boy name. Kaison is primarily a boy name.