Marcus vs Kai

Baby Name Comparison — 2026

Marcus

Boy #256 Most Popular 2 Syllables

"of Mars, warlike"

Origin: Latin

Roman English German Scandinavian African-American

✓ All Clear

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Marcus Rank #256

Kai Rank #76

Kai is more popular, ranked #76 vs #256 for Marcus.

Is Marcus or Kai more popular?

Kai is more popular, ranked #76 compared to Marcus at #256 in the United States.

What do Marcus and Kai mean?

Marcus means "of Mars, warlike" (Latin origin). Kai means "sea" (Hawaiian origin).

Are Marcus and Kai boy or girl names?

Marcus is primarily a boy name. Kai is primarily a boy name.