Kai vs Simon

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #251 Most Popular 2 Syllables

"he has heard, God has heard"

Origin: Hebrew

English French German Scandinavian Jewish

✓ All Clear

Kai Rank #76

Simon Rank #251

Kai is more popular, ranked #76 vs #251 for Simon.

Is Kai or Simon more popular?

Kai is more popular, ranked #76 compared to Simon at #251 in the United States.

What do Kai and Simon mean?

Kai means "sea" (Hawaiian origin). Simon means "he has heard, God has heard" (Hebrew origin).

Are Kai and Simon boy or girl names?

Kai is primarily a boy name. Simon is primarily a boy name.