Jack vs Sebastian

Baby Name Comparison — 2026

Jack

Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Boy #14 Most Popular 4 Syllables

"from Sebastia"

Origin: Latin

English Spanish German French Polish

✓ All Clear

Jack Rank #15

Sebastian Rank #14

Sebastian is more popular, ranked #14 vs #15 for Jack.

Is Jack or Sebastian more popular?

Sebastian is more popular, ranked #14 compared to Jack at #15 in the United States.

What do Jack and Sebastian mean?

Jack means "supplanter" (Hebrew origin). Sebastian means "from Sebastia" (Latin origin).

Are Jack and Sebastian boy or girl names?

Jack is primarily a boy name. Sebastian is primarily a boy name.