Callister vs Kasper

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 #1,761 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian

Scandinavian Dutch Polish German

✓ All Clear

Callister Rank #43,579

Kasper Rank #1,761

Kasper is more popular, ranked #1761 vs #43579 for Callister.

Is Callister or Kasper more popular?

Kasper is more popular, ranked #1761 compared to Callister at #43579 in the United States.

What do Callister and Kasper mean?

Callister means "defender of men" (Greek via Gaelic origin). Kasper means "treasurer, keeper of treasure" (Persian origin).

Are Callister and Kasper boy or girl names?

Callister is primarily a boy name. Kasper is primarily a boy name.