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