Arlo vs Colin

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

✓ All Clear

Boy #335 Most Popular 2 Syllables

"young dog, whelp"

Origin: Irish/Scottish Gaelic

English Irish Scottish American

✓ All Clear

Arlo Rank #146

Colin Rank #335

Arlo is more popular, ranked #146 vs #335 for Colin.

Is Arlo or Colin more popular?

Arlo is more popular, ranked #146 compared to Colin at #335 in the United States.

What do Arlo and Colin mean?

Arlo means "fortified hill" (Old English origin). Colin means "young dog, whelp" (Irish/Scottish Gaelic origin).

Are Arlo and Colin boy or girl names?

Arlo is primarily a boy name. Colin is primarily a boy name.