Arlo vs Colin

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

Meaning

"fortified hill"

Origin: Old English

Cultural Roots

English American Australian

Quick Stats

Popularity Rank
#146
Total SSA Count
2,481
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Arlo →

Colin

Boy #335 Most Popular 2 Syllables

Meaning

"young dog, whelp"

Origin: Irish/Scottish Gaelic

Cultural Roots

English Irish Scottish American

Quick Stats

Popularity Rank
#335
Total SSA Count
1,035
Syllables
2
Formality
Moderate
Nicknames
Col

Playground Safety Score

✓ All Clear
Full profile for Colin →

Popularity Comparison

Arlo Rank #146
Colin Rank #335

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

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Arlo ___

  • Arlo James
  • Arlo Thomas
  • Arlo Bear
  • Arlo Fox
  • Arlo River
  • Arlo Blue

Colin ___

  • Colin James
  • Colin Patrick
  • Colin Michael
  • Colin Andrew
  • Colin Lee

Sibling Name Ideas

Names that pair well as siblings.

If you choose Arlo

Milo Isla Clover Finn Margot

If you choose Colin

Declan Ronan Siobhan Bridget Aiden

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

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.

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← Full profile: Arlo ← Full profile: Colin Browse all baby names