Cai vs Kaidyn

Baby Name Comparison — 2026

Cai

Boy #1,906 Most Popular 1 Syllable

"rejoice, delight"

Origin: Latin via Welsh

Welsh Chinese English

✓ All Clear

Boy #1,961 Most Popular 2 Syllables

"companion, friend"

Origin: Arabic

American English

✓ All Clear

Cai Rank #1,906

Kaidyn Rank #1,961

Cai is more popular, ranked #1906 vs #1961 for Kaidyn.

Is Cai or Kaidyn more popular?

Cai is more popular, ranked #1906 compared to Kaidyn at #1961 in the United States.

What do Cai and Kaidyn mean?

Cai means "rejoice, delight" (Latin via Welsh origin). Kaidyn means "companion, friend" (Arabic origin).

Are Cai and Kaidyn boy or girl names?

Cai is primarily a boy name. Kaidyn is primarily a boy name.