Jack vs Arlo

Baby Name Comparison — 2026

Jack

Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

✓ All Clear

Jack Rank #15

Arlo Rank #146

Jack is more popular, ranked #15 vs #146 for Arlo.

Is Jack or Arlo more popular?

Jack is more popular, ranked #15 compared to Arlo at #146 in the United States.

What do Jack and Arlo mean?

Jack means "supplanter" (Hebrew origin). Arlo means "fortified hill" (Old English origin).

Are Jack and Arlo boy or girl names?

Jack is primarily a boy name. Arlo is primarily a boy name.