Thomas vs Arlo

Baby Name Comparison — 2026

Thomas

Boy #39 Most Popular 2 Syllables

"Twin"

Origin: Aramaic

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✓ All Clear

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

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Thomas Rank #39

Arlo Rank #146

Thomas is more popular, ranked #39 vs #146 for Arlo.

Is Thomas or Arlo more popular?

Thomas is more popular, ranked #39 compared to Arlo at #146 in the United States.

What do Thomas and Arlo mean?

Thomas means "Twin" (Aramaic origin). Arlo means "fortified hill" (Old English origin).

Are Thomas and Arlo boy or girl names?

Thomas is primarily a boy name. Arlo is primarily a boy name.