Fynn vs Cai

Baby Name Comparison — 2026

Fynn

Boy #1,923 Most Popular 1 Syllable

"fair, white, bright"

Origin: Old Irish fionn

Irish English American British

✓ All Clear

Boy #1,906 Most Popular 1 Syllable

"rejoice, delight"

Origin: Latin via Welsh

Welsh Chinese English

✓ All Clear

Fynn Rank #1,923

Cai Rank #1,906

Cai is more popular, ranked #1906 vs #1923 for Fynn.

Is Fynn or Cai more popular?

Cai is more popular, ranked #1906 compared to Fynn at #1923 in the United States.

What do Fynn and Cai mean?

Fynn means "fair, white, bright" (Old Irish fionn origin). Cai means "rejoice, delight" (Latin via Welsh origin).

Are Fynn and Cai boy or girl names?

Fynn is primarily a boy name. Cai is primarily a boy name.