Sullivan vs Kylan

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 #533 Most Popular 2 Syllables

"narrow strait"

Origin: Scottish Gaelic

American Irish English

✓ All Clear

Sullivan Rank #340

Kylan Rank #533

Sullivan is more popular, ranked #340 vs #533 for Kylan.

Is Sullivan or Kylan more popular?

Sullivan is more popular, ranked #340 compared to Kylan at #533 in the United States.

What do Sullivan and Kylan mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Kylan means "narrow strait" (Scottish Gaelic origin).

Are Sullivan and Kylan boy or girl names?

Sullivan is primarily a boy name. Kylan is primarily a boy name.