Casper vs Callister

Baby Name Comparison — 2026

Casper

Boy #881 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian

Dutch Scandinavian German English

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Casper Rank #881

Callister Rank #43,579

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

Is Casper or Callister more popular?

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

What do Casper and Callister mean?

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

Are Casper and Callister boy or girl names?

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