Billy vs Kaycen

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 #1,214 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic (Casey)

American English

✓ All Clear

Billy Rank #1,051

Kaycen Rank #1,214

Billy is more popular, ranked #1051 vs #1214 for Kaycen.

Is Billy or Kaycen more popular?

Billy is more popular, ranked #1051 compared to Kaycen at #1214 in the United States.

What do Billy and Kaycen mean?

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

Are Billy and Kaycen boy or girl names?

Billy is primarily a boy name. Kaycen is primarily a boy name.