Cain vs Billy

Baby Name Comparison — 2026

Cain

Boy #979 Most Popular 1 Syllable

"acquired, possessed"

Origin: Hebrew

English Welsh American

✓ All Clear

Boy #1,051 Most Popular 2 Syllables

"resolute protector"

Origin: Old German via Norman French

English American Australian Irish

✓ All Clear

Cain Rank #979

Billy Rank #1,051

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

Is Cain or Billy more popular?

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

What do Cain and Billy mean?

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

Are Cain and Billy boy or girl names?

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