Arlo vs Aidan

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

✓ All Clear

Boy #312 Most Popular 2 Syllables

Irish Scottish English American

✓ All Clear

Arlo Rank #146

Aidan Rank #312

Arlo is more popular, ranked #146 vs #312 for Aidan.

Is Arlo or Aidan more popular?

Arlo is more popular, ranked #146 compared to Aidan at #312 in the United States.

What do Arlo and Aidan mean?

Arlo means "fortified hill" (Old English origin).

Are Arlo and Aidan boy or girl names?

Arlo is primarily a boy name. Aidan is primarily a boy name.