Casmir
Every Casmir since 1913 — 356 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Casmir
Casmir is rare for boys in the United States, ranked #10,909 in 2025 with 6 babies given the name. It is currently rising compared with a decade ago.
Since 1913, 356 American babies have been named Casmir. Its peak came in 1918, when 24 newborns received the name — the signature sound of the 1910s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Casmir stood among all boys' names in any year, or use the compare tool to plot it against other names.
Casmir year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 6 | #10,909 |
| 2024 | — | — | 8 | #9,135 |
| 2023 | — | — | 8 | #9,061 |
| 2022 | — | — | 7 | #10,012 |
| 2021 | — | — | 10 | #7,706 |
| 2020 | — | — | 11 | #7,118 |
| 2019 | — | — | 6 | #11,015 |
| 2018 | — | — | 5 | #12,492 |
| 2017 | — | — | — | — |
| 2016 | — | — | — | — |
| 2015 | — | — | — | — |
| 2014 | — | — | — | — |
| 2013 | — | — | — | — |
| 2012 | — | — | — | — |
| 2011 | — | — | — | — |
| 2010 | — | — | — | — |
| 2009 | — | — | — | — |
| 2008 | — | — | 5 | #12,834 |
| 2007 | — | — | — | — |
| 2006 | — | — | — | — |
| 2005 | — | — | 5 | #11,726 |
| 2004 | — | — | — | — |
| 2003 | — | — | 5 | #11,143 |
| 2002 | — | — | — | — |
| 2001 | — | — | — | — |
| 2000 | — | — | — | — |
| 1995 | 9 | #8,896 | — | — |
| 1990 | — | — | — | — |
| 1985 | — | — | — | — |
| 1980 | — | — | — | — |
| 1975 | — | — | — | — |
| 1970 | — | — | — | — |
| 1965 | — | — | — | — |
| 1960 | — | — | — | — |
| 1955 | — | — | — | — |
| 1950 | — | — | — | — |
| 1945 | — | — | — | — |
| 1940 | — | — | — | — |
| 1935 | — | — | — | — |
| 1930 | — | — | 8 | #3,060 |
| 1925 | — | — | 9 | #2,965 |
| 1920 | — | — | 12 | #2,478 |
| 1915 | — | — | 22 | #1,469 |
| 1910 | — | — | — | — |
| 1905 | — | — | — | — |
| 1900 | — | — | — | — |
| 1895 | — | — | — | — |
| 1890 | — | — | — | — |
| 1885 | — | — | — | — |
| 1880 | — | — | — | — |
Frequently asked questions
How popular is the name Casmir in 2025?
Casmir ranked #10,909 among boys' names in the United States in 2025, with 6 babies given the name, according to Social Security Administration data.
How many people are named Casmir?
356 babies have been named Casmir in the United States since 1913, based on Social Security card applications.
When was the name Casmir most popular?
Casmir peaked in 1918, when 24 newborns received the name.
Is Casmir a boy or girl name?
Casmir is overwhelmingly a boy's name — 96% of babies with the name.
Is the name Casmir rising or falling?
Casmir is on the rise — noticeably more popular now than a decade ago.