Arlo vs Isaac

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

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✓ All Clear

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

English Jewish Spanish French

✓ All Clear

Arlo Rank #146

Isaac Rank #40

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

Is Arlo or Isaac more popular?

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

What do Arlo and Isaac mean?

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

Are Arlo and Isaac boy or girl names?

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