Isaac vs Jack

Baby Name Comparison — 2026

Isaac

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

English Jewish Spanish French

✓ All Clear

Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Isaac Rank #40

Jack Rank #15

Jack is more popular, ranked #15 vs #40 for Isaac.

Is Isaac or Jack more popular?

Jack is more popular, ranked #15 compared to Isaac at #40 in the United States.

What do Isaac and Jack mean?

Isaac means "He will laugh; laughter" (Hebrew origin). Jack means "supplanter" (Hebrew origin).

Are Isaac and Jack boy or girl names?

Isaac is primarily a boy name. Jack is primarily a boy name.