Kai vs Mason

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #42 Most Popular 2 Syllables

"Stone worker; one who builds with stone"

Origin: English

English American

✓ All Clear

Kai Rank #76

Mason Rank #42

Mason is more popular, ranked #42 vs #76 for Kai.

Is Kai or Mason more popular?

Mason is more popular, ranked #42 compared to Kai at #76 in the United States.

What do Kai and Mason mean?

Kai means "sea" (Hawaiian origin). Mason means "Stone worker; one who builds with stone" (English origin).

Are Kai and Mason boy or girl names?

Kai is primarily a boy name. Mason is primarily a boy name.