Billy vs Cain

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 #979 Most Popular 1 Syllable

"acquired, possessed"

Origin: Hebrew

English Welsh American

✓ All Clear

Billy Rank #1,051

Cain Rank #979

Cain is more popular, ranked #979 vs #1051 for Billy.

Is Billy or Cain more popular?

Cain is more popular, ranked #979 compared to Billy at #1051 in the United States.

What do Billy and Cain mean?

Billy means "resolute protector" (Old German via Norman French origin). Cain means "acquired, possessed" (Hebrew origin).

Are Billy and Cain boy or girl names?

Billy is primarily a boy name. Cain is primarily a boy name.