Kai vs Maddox

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #215 Most Popular 2 Syllables

"son of Madoc"

Origin: Welsh

American Welsh English

✓ All Clear

Kai Rank #76

Maddox Rank #215

Kai is more popular, ranked #76 vs #215 for Maddox.

Is Kai or Maddox more popular?

Kai is more popular, ranked #76 compared to Maddox at #215 in the United States.

What do Kai and Maddox mean?

Kai means "sea" (Hawaiian origin). Maddox means "son of Madoc" (Welsh origin).

Are Kai and Maddox boy or girl names?

Kai is primarily a boy name. Maddox is primarily a boy name.