Casimir vs Jan

Baby Name Comparison — 2026

Casimir

Boy #2,401 Most Popular 3 Syllables

"proclaimer of peace"

Origin: Old Polish Slavic

Polish Czech Lithuanian French Catholic

✓ All Clear

Boy #2,213 Most Popular 1 Syllable

"God is gracious"

Origin: Hebrew (via Latin Johannes)

Dutch Polish Czech Scandinavian German

✓ All Clear

Casimir Rank #2,401

Jan Rank #2,213

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

Is Casimir or Jan more popular?

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

What do Casimir and Jan mean?

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

Are Casimir and Jan boy or girl names?

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