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Declan vs Arlo

Baby Name Comparison — 2026

Popularity Comparison

Declan Rank #131
Arlo Rank #146

Declan is more popular, ranked #131 vs #146 for Arlo.

Frequently Asked Questions

Is Declan or Arlo more popular?

Declan is more popular, ranked #131 compared to Arlo at #146 in the United States.

What do Declan and Arlo mean?

Declan means "man of prayer" (Irish Gaelic origin). Arlo means "fortified hill" (Old English origin).

Are Declan and Arlo boy or girl names?

Declan is primarily a boy name. Arlo is primarily a boy name.

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