Thomas vs Kai

Baby Name Comparison — 2026

Thomas

Boy #39 Most Popular 2 Syllables

"Twin"

Origin: Aramaic

English French German Spanish Irish

✓ All Clear

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Thomas Rank #39

Kai Rank #76

Thomas is more popular, ranked #39 vs #76 for Kai.

Is Thomas or Kai more popular?

Thomas is more popular, ranked #39 compared to Kai at #76 in the United States.

What do Thomas and Kai mean?

Thomas means "Twin" (Aramaic origin). Kai means "sea" (Hawaiian origin).

Are Thomas and Kai boy or girl names?

Thomas is primarily a boy name. Kai is primarily a boy name.