Sullivan vs Kyle

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 #440 Most Popular 1 Syllable

"narrow strait, channel"

Origin: Scottish Gaelic (caol)

Scottish English Irish American

✓ All Clear

Sullivan Rank #340

Kyle Rank #440

Sullivan is more popular, ranked #340 vs #440 for Kyle.

Is Sullivan or Kyle more popular?

Sullivan is more popular, ranked #340 compared to Kyle at #440 in the United States.

What do Sullivan and Kyle mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Kyle means "narrow strait, channel" (Scottish Gaelic (caol) origin).

Are Sullivan and Kyle boy or girl names?

Sullivan is primarily a boy name. Kyle is primarily a boy name.