Aaron vs Kai

Baby Name Comparison — 2026

Aaron

Boy #79 Most Popular 2 Syllables

"high mountain"

Origin: Hebrew (aharon)

English Hebrew Arabic American

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Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

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Aaron Rank #79

Kai Rank #76

Kai is more popular, ranked #76 vs #79 for Aaron.

Is Aaron or Kai more popular?

Kai is more popular, ranked #76 compared to Aaron at #79 in the United States.

What do Aaron and Kai mean?

Aaron means "high mountain" (Hebrew (aharon) origin). Kai means "sea" (Hawaiian origin).

Are Aaron and Kai boy or girl names?

Aaron is primarily a boy name. Kai is primarily a boy name.