Billy vs Casper

Baby Name Comparison — 2026

Billy

Boy #1,051 Most Popular 2 Syllables

"resolute protector"

Origin: Old German via Norman French

English American Australian Irish

✓ All Clear

Boy #881 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian

Dutch Scandinavian German English

✓ All Clear

Billy Rank #1,051

Casper Rank #881

Casper is more popular, ranked #881 vs #1051 for Billy.

Is Billy or Casper more popular?

Casper is more popular, ranked #881 compared to Billy at #1051 in the United States.

What do Billy and Casper mean?

Billy means "resolute protector" (Old German via Norman French origin). Casper means "treasurer, keeper of treasure" (Persian origin).

Are Billy and Casper boy or girl names?

Billy is primarily a boy name. Casper is primarily a boy name.