Masculine dossier · first seen 1913
Casmir
Resurgent
Gaining cultural share
Peak era
1918
Peak births
24
Current vitality
Rare
Peak generation
Greatest Generation
Quick answers about Casmir
How many people are named Casmir?
An estimated 81 living Americans are named Casmir.
How rare is Casmir?
Casmir is very rare among babies today, with 6 boys receiving the name in 2025, down 75% from its 1918 peak.
How old is the typical Casmir?
The median age of a living American named Casmir is approximately 6 years, with most bearers falling between 3 and 18 years old.
Is Casmir still popular?
Yes — Casmir is currently rising in popularity, with 6 births in 2025. Births this decade are running about 12.2× higher than the previous decade.
1913Peak 19182025
Peak year
1918
Decline from peak
75%
2025
6
All-time
342