Jack vs Alex

Baby Name Comparison — 2026

Jack

Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Boy #205 Most Popular 2 Syllables

"defender of men"

Origin: Greek

English Greek Spanish Russian French

✓ All Clear

Jack Rank #15

Alex Rank #205

Jack is more popular, ranked #15 vs #205 for Alex.

Is Jack or Alex more popular?

Jack is more popular, ranked #15 compared to Alex at #205 in the United States.

What do Jack and Alex mean?

Jack means "supplanter" (Hebrew origin). Alex means "defender of men" (Greek origin).

Are Jack and Alex boy or girl names?

Jack is primarily a boy name. Alex is primarily a boy name.