Kaycen vs Billy

Baby Name Comparison — 2026

Kaycen

Boy #1,214 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic (Casey)

American English

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Boy #1,051 Most Popular 2 Syllables

"resolute protector"

Origin: Old German via Norman French

English American Australian Irish

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Kaycen Rank #1,214

Billy Rank #1,051

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

Is Kaycen or Billy more popular?

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

What do Kaycen and Billy mean?

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

Are Kaycen and Billy boy or girl names?

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