Colter vs Sullivan

Baby Name Comparison — 2026

Colter

Boy #218 Most Popular 2 Syllables

"colt herder, horse keeper"

Origin: Middle English

American English

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Colter Rank #218

Sullivan Rank #340

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

Is Colter or Sullivan more popular?

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

What do Colter and Sullivan mean?

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

Are Colter and Sullivan boy or girl names?

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