Isaac vs Isaiah

Baby Name Comparison — 2026

Isaac

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

English Jewish Spanish French

✓ All Clear

Boy #56 Most Popular 3 Syllables

"the Lord saves"

Origin: Hebrew

Hebrew English African American

✓ All Clear

Isaac Rank #40

Isaiah Rank #56

Isaac is more popular, ranked #40 vs #56 for Isaiah.

Is Isaac or Isaiah more popular?

Isaac is more popular, ranked #40 compared to Isaiah at #56 in the United States.

What do Isaac and Isaiah mean?

Isaac means "He will laugh; laughter" (Hebrew origin). Isaiah means "the Lord saves" (Hebrew origin).

Are Isaac and Isaiah boy or girl names?

Isaac is primarily a boy name. Isaiah is primarily a boy name.