2025 rank (boys)
#10,695
Babies named in 2025
6
Peak popularity
1917
2025 frequency
1 in 284,679 boys
Usually for
Boys
Trend
Rising since 2019
A 1910s favorite, climbing again.
Popularity of Kasimir since 1917
Babies named Kasimir per year in U.S. Social Security records. Raw births topped out in 2021, but relative to how few babies were recorded back then, Kasimir's real moment was 1917.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1910s | 14 |
| 1920s | 0 |
| 1930s | 0 |
| 1940s | 0 |
| 1950s | 0 |
| 1960s | 0 |
| 1970s | 0 |
| 1980s | 0 |
| 1990s | 5 |
| 2000s | 11 |
| 2010s | 10 |
| 2020s | 40 |
