Jack vs Isaiah

Baby Name Comparison — 2026

Jack

Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Boy #56 Most Popular 3 Syllables

"the Lord saves"

Origin: Hebrew

Hebrew English African American

✓ All Clear

Jack Rank #15

Isaiah Rank #56

Jack is more popular, ranked #15 vs #56 for Isaiah.

Is Jack or Isaiah more popular?

Jack is more popular, ranked #15 compared to Isaiah at #56 in the United States.

What do Jack and Isaiah mean?

Jack means "supplanter" (Hebrew origin). Isaiah means "the Lord saves" (Hebrew origin).

Are Jack and Isaiah boy or girl names?

Jack is primarily a boy name. Isaiah is primarily a boy name.