Sullivan vs Colter

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 #218 Most Popular 2 Syllables

"colt herder, horse keeper"

Origin: Middle English

American English

✓ All Clear

Sullivan Rank #340

Colter Rank #218

Colter is more popular, ranked #218 vs #340 for Sullivan.

Is Sullivan or Colter more popular?

Colter is more popular, ranked #218 compared to Sullivan at #340 in the United States.

What do Sullivan and Colter mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Colter means "colt herder, horse keeper" (Middle English origin).

Are Sullivan and Colter boy or girl names?

Sullivan is primarily a boy name. Colter is primarily a boy name.