Casimir
Meaning
"proclaimer of peace"
Origin: Old Polish Slavic
Cultural Roots
Quick Stats
- Popularity Rank
- #2,401
- Total SSA Count
- 58
- Syllables
- 3
- Formality
- Formal
- Nicknames
- Cas, Caz, Cassi
Baby Name Comparison — 2026
"proclaimer of peace"
Origin: Old Polish Slavic
"defender of mankind"
Origin: Greek (Alexandros)
Sasha is more popular, ranked #641 vs #2401 for Casimir.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Sasha is more popular, ranked #641 compared to Casimir at #2401 in the United States.
Casimir means "proclaimer of peace" (Old Polish Slavic origin). Sasha means "defender of mankind" (Greek (Alexandros) origin).
Casimir is primarily a boy name. Sasha is primarily a girl name.