Billy vs Kase

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 #967 Most Popular 1 Syllable

"watchful, vigilant (via Casey)"

Origin: Irish Gaelic Cathasaigh

American English

✓ All Clear

Billy Rank #1,051

Kase Rank #967

Kase is more popular, ranked #967 vs #1051 for Billy.

Is Billy or Kase more popular?

Kase is more popular, ranked #967 compared to Billy at #1051 in the United States.

What do Billy and Kase mean?

Billy means "resolute protector" (Old German via Norman French origin). Kase means "watchful, vigilant (via Casey)" (Irish Gaelic Cathasaigh origin).

Are Billy and Kase boy or girl names?

Billy is primarily a boy name. Kase is primarily a boy name.