Kacper vs Callister

Baby Name Comparison — 2026

Kacper

Boy #5,668 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian Gathaspar

Polish Czech Slovak Central European

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Kacper Rank #5,668

Callister Rank #43,579

Kacper is more popular, ranked #5668 vs #43579 for Callister.

Is Kacper or Callister more popular?

Kacper is more popular, ranked #5668 compared to Callister at #43579 in the United States.

What do Kacper and Callister mean?

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

Are Kacper and Callister boy or girl names?

Kacper is primarily a boy name. Callister is primarily a boy name.