Isaac vs Arlo

Baby Name Comparison — 2026

Isaac

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

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✓ All Clear

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

✓ All Clear

Isaac Rank #40

Arlo Rank #146

Isaac is more popular, ranked #40 vs #146 for Arlo.

Is Isaac or Arlo more popular?

Isaac is more popular, ranked #40 compared to Arlo at #146 in the United States.

What do Isaac and Arlo mean?

Isaac means "He will laugh; laughter" (Hebrew origin). Arlo means "fortified hill" (Old English origin).

Are Isaac and Arlo boy or girl names?

Isaac is primarily a boy name. Arlo is primarily a boy name.