Casper vs Thaddeus

Baby Name Comparison — 2026

Casper

Boy #881 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian

Dutch Scandinavian German English

✓ All Clear

Boy #850 Most Popular 3 Syllables

"courageous heart"

Origin: Aramaic

English Polish American Catholic

✓ All Clear

Casper Rank #881

Thaddeus Rank #850

Thaddeus is more popular, ranked #850 vs #881 for Casper.

Is Casper or Thaddeus more popular?

Thaddeus is more popular, ranked #850 compared to Casper at #881 in the United States.

What do Casper and Thaddeus mean?

Casper means "treasurer, keeper of treasure" (Persian origin). Thaddeus means "courageous heart" (Aramaic origin).

Are Casper and Thaddeus boy or girl names?

Casper is primarily a boy name. Thaddeus is primarily a boy name.