Eithan vs Kai

Baby Name Comparison — 2026

Eithan

Boy #227 Most Popular 2 Syllables

"strong, firm, enduring"

Origin: Hebrew

American Hebrew Latino

✓ All Clear

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Eithan Rank #227

Kai Rank #76

Kai is more popular, ranked #76 vs #227 for Eithan.

Is Eithan or Kai more popular?

Kai is more popular, ranked #76 compared to Eithan at #227 in the United States.

What do Eithan and Kai mean?

Eithan means "strong, firm, enduring" (Hebrew origin). Kai means "sea" (Hawaiian origin).

Are Eithan and Kai boy or girl names?

Eithan is primarily a boy name. Kai is primarily a boy name.