Cai vs Jules

Baby Name Comparison — 2026

Cai

Boy #1,906 Most Popular 1 Syllable

"rejoice, delight"

Origin: Latin via Welsh

Welsh Chinese English

✓ All Clear

Boy #1,841 Most Popular 1 Syllable

"youthful, downy-bearded (first beard)"

Origin: Greek (ioulos)

French English American Belgian Dutch

✓ All Clear

Cai Rank #1,906

Jules Rank #1,841

Jules is more popular, ranked #1841 vs #1906 for Cai.

Is Cai or Jules more popular?

Jules is more popular, ranked #1841 compared to Cai at #1906 in the United States.

What do Cai and Jules mean?

Cai means "rejoice, delight" (Latin via Welsh origin). Jules means "youthful, downy-bearded (first beard)" (Greek (ioulos) origin).

Are Cai and Jules boy or girl names?

Cai is primarily a boy name. Jules is primarily a boy name.