Kai vs Arthur

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #105 Most Popular 2 Syllables

"bear, bear-like strength"

Origin: Brythonic Celtic

English French Welsh British

12 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Arthur' can be twisted to 'fart'"}

Kai Rank #76

Arthur Rank #105

Kai is more popular, ranked #76 vs #105 for Arthur.

Is Kai or Arthur more popular?

Kai is more popular, ranked #76 compared to Arthur at #105 in the United States.

What do Kai and Arthur mean?

Kai means "sea" (Hawaiian origin). Arthur means "bear, bear-like strength" (Brythonic Celtic origin).

Are Kai and Arthur boy or girl names?

Kai is primarily a boy name. Arthur is primarily a boy name.