Arlo vs Theodore

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

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Boy #4 Most Popular 3 Syllables

"divine gift"

Origin: Greek

English French Greek

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Arlo Rank #146

Theodore Rank #4

Theodore is more popular, ranked #4 vs #146 for Arlo.

Is Arlo or Theodore more popular?

Theodore is more popular, ranked #4 compared to Arlo at #146 in the United States.

What do Arlo and Theodore mean?

Arlo means "fortified hill" (Old English origin). Theodore means "divine gift" (Greek origin).

Are Arlo and Theodore boy or girl names?

Arlo is primarily a boy name. Theodore is primarily a boy name.