Cai vs Harper

Baby Name Comparison — 2026

Cai

Boy #1,906 Most Popular 1 Syllable

"rejoice, delight"

Origin: Latin via Welsh

Welsh Chinese English

✓ All Clear

Boy #1,789 Most Popular 2 Syllables

"harp player, one who plays the harp"

Origin: Old English hearpere

English American Australian Scottish

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Cai Rank #1,906

Harper Rank #1,789

Harper is more popular, ranked #1789 vs #1906 for Cai.

Is Cai or Harper more popular?

Harper is more popular, ranked #1789 compared to Cai at #1906 in the United States.

What do Cai and Harper mean?

Cai means "rejoice, delight" (Latin via Welsh origin). Harper means "harp player, one who plays the harp" (Old English hearpere origin).

Are Cai and Harper boy or girl names?

Cai is primarily a boy name. Harper is primarily a boy name.