Kai vs Greyson

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #127 Most Popular 2 Syllables

"son of the grey-haired one"

Origin: English

English American

✓ All Clear

Kai Rank #76

Greyson Rank #127

Kai is more popular, ranked #76 vs #127 for Greyson.

Is Kai or Greyson more popular?

Kai is more popular, ranked #76 compared to Greyson at #127 in the United States.

What do Kai and Greyson mean?

Kai means "sea" (Hawaiian origin). Greyson means "son of the grey-haired one" (English origin).

Are Kai and Greyson boy or girl names?

Kai is primarily a boy name. Greyson is primarily a boy name.