Jan vs Casimir

Baby Name Comparison — 2026

Jan

Boy #2,213 Most Popular 1 Syllable

"God is gracious"

Origin: Hebrew (via Latin Johannes)

Dutch Polish Czech Scandinavian German

✓ All Clear

Boy #2,401 Most Popular 3 Syllables

"proclaimer of peace"

Origin: Old Polish Slavic

Polish Czech Lithuanian French Catholic

✓ All Clear

Jan Rank #2,213

Casimir Rank #2,401

Jan is more popular, ranked #2213 vs #2401 for Casimir.

Is Jan or Casimir more popular?

Jan is more popular, ranked #2213 compared to Casimir at #2401 in the United States.

What do Jan and Casimir mean?

Jan means "God is gracious" (Hebrew (via Latin Johannes) origin). Casimir means "proclaimer of peace" (Old Polish Slavic origin).

Are Jan and Casimir boy or girl names?

Jan is primarily a boy name. Casimir is primarily a boy name.