Colin vs Casey

Baby Name Comparison — 2026

Colin

Boy #335 Most Popular 2 Syllables

"young dog, whelp"

Origin: Irish/Scottish Gaelic

English Irish Scottish American

✓ All Clear

Boy #310 Most Popular 2 Syllables

Irish English American

✓ All Clear

Colin Rank #335

Casey Rank #310

Casey is more popular, ranked #310 vs #335 for Colin.

Is Colin or Casey more popular?

Casey is more popular, ranked #310 compared to Colin at #335 in the United States.

What do Colin and Casey mean?

Colin means "young dog, whelp" (Irish/Scottish Gaelic origin).

Are Colin and Casey boy or girl names?

Colin is primarily a boy name. Casey is primarily a boy name.