Jack vs Isaac

Baby Name Comparison — 2026

Jack

Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

English Jewish Spanish French

✓ All Clear

Jack Rank #15

Isaac Rank #40

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

Is Jack or Isaac more popular?

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

What do Jack and Isaac mean?

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

Are Jack and Isaac boy or girl names?

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