Isaiah vs Isaac

Baby Name Comparison — 2026

Isaiah

Boy #56 Most Popular 3 Syllables

"the Lord saves"

Origin: Hebrew

Hebrew English African American

✓ All Clear

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

English Jewish Spanish French

✓ All Clear

Isaiah Rank #56

Isaac Rank #40

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

Is Isaiah or Isaac more popular?

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

What do Isaiah and Isaac mean?

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

Are Isaiah and Isaac boy or girl names?

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