Compare two names
Casimir and Casimer side by side: Casimir peaked in 1919 and Casimer in 1918; in 2025 they were given to 73 and 0 babies.
Casimir and Casimer, year by year
Girls and boys together; Casimir solid, Casimer dashed.
| Casimir | Casimer | |
|---|---|---|
| Births 2025 | 73 | 0 |
| Rank 2025 | #2,039 among boys’ names | not ranked |
| Recorded since 1880 | 5,248 | 1,895 |
| Peak year | 1919 | 1918 |
| Girls | 0% | 0% |
| Alive, estimated | 1,610 | 172 |
| Median age | 27 | 75 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.