Arthur vs Kai

Baby Name Comparison — 2026

Arthur

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'"}

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Arthur Rank #105

Kai Rank #76

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

Is Arthur or Kai more popular?

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

What do Arthur and Kai mean?

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

Are Arthur and Kai boy or girl names?

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