Callister vs Casper

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 #881 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian

Dutch Scandinavian German English

✓ All Clear

Callister Rank #43,579

Casper Rank #881

Casper is more popular, ranked #881 vs #43579 for Callister.

Is Callister or Casper more popular?

Casper is more popular, ranked #881 compared to Callister at #43579 in the United States.

What do Callister and Casper mean?

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

Are Callister and Casper boy or girl names?

Callister is primarily a boy name. Casper is primarily a boy name.