Cai vs Don

Baby Name Comparison — 2026

Cai

Boy #1,906 Most Popular 1 Syllable

"rejoice, delight"

Origin: Latin via Welsh

Welsh Chinese English

✓ All Clear

Boy #1,797 Most Popular 1 Syllable

"world ruler"

Origin: Scottish Gaelic

English Scottish American Irish

✓ All Clear

Cai Rank #1,906

Don Rank #1,797

Don is more popular, ranked #1797 vs #1906 for Cai.

Is Cai or Don more popular?

Don is more popular, ranked #1797 compared to Cai at #1906 in the United States.

What do Cai and Don mean?

Cai means "rejoice, delight" (Latin via Welsh origin). Don means "world ruler" (Scottish Gaelic origin).

Are Cai and Don boy or girl names?

Cai is primarily a boy name. Don is primarily a boy name.