Callister vs Jack

Baby Name Comparison — 2026

Callister

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Callister Rank #43,579

Jack Rank #15

Jack is more popular, ranked #15 vs #43579 for Callister.

Is Callister or Jack more popular?

Jack is more popular, ranked #15 compared to Callister at #43579 in the United States.

What do Callister and Jack mean?

Callister means "defender of men" (Greek via Gaelic origin). Jack means "supplanter" (Hebrew origin).

Are Callister and Jack boy or girl names?

Callister is primarily a boy name. Jack is primarily a boy name.