Colin vs Dillion

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 #5,680 Most Popular 3 Syllables

"faithful, loyal"

Origin: Old Irish Dallán

Irish Welsh American English

✓ All Clear

Colin Rank #335

Dillion Rank #5,680

Colin is more popular, ranked #335 vs #5680 for Dillion.

Is Colin or Dillion more popular?

Colin is more popular, ranked #335 compared to Dillion at #5680 in the United States.

What do Colin and Dillion mean?

Colin means "young dog, whelp" (Irish/Scottish Gaelic origin). Dillion means "faithful, loyal" (Old Irish Dallán origin).

Are Colin and Dillion boy or girl names?

Colin is primarily a boy name. Dillion is primarily a boy name.