Callister vs Kacper

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 #5,668 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian Gathaspar

Polish Czech Slovak Central European

✓ All Clear

Callister Rank #43,579

Kacper Rank #5,668

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

Is Callister or Kacper more popular?

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

What do Callister and Kacper mean?

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

Are Callister and Kacper boy or girl names?

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