Casimiro
Every Casimiro since 1881 — 1,084 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Casimiro
Casimiro is rare for boys in the United States, ranked #10,908 in 2025 with 6 babies given the name. It is currently rising compared with a decade ago.
Since 1881, 1,084 American babies have been named Casimiro. Its peak came in 1921, when 28 newborns received the name — the signature sound of the 1920s.
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 Casimiro stood among all boys' names in any year, or use the compare tool to plot it against other names.
Casimiro year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | 6 | #10,908 |
| 2024 | — | — |
| 2023 | 5 | #12,546 |
| 2022 | 7 | #10,011 |
| 2021 | 9 | #8,290 |
| 2020 | — | — |
| 2019 | 8 | #9,040 |
| 2018 | 5 | #12,489 |
| 2017 | 6 | #11,007 |
| 2016 | 8 | #8,987 |
| 2015 | — | — |
| 2014 | — | — |
| 2013 | — | — |
| 2012 | — | — |
| 2011 | — | — |
| 2010 | — | — |
| 2009 | 9 | #8,410 |
| 2008 | 5 | #12,832 |
| 2007 | — | — |
| 2006 | 6 | #10,885 |
| 2005 | 8 | #8,416 |
| 2004 | 10 | #7,049 |
| 2003 | 8 | #7,960 |
| 2002 | 6 | #9,564 |
| 2001 | 10 | #6,529 |
| 2000 | 12 | #5,627 |
| 1995 | 9 | #5,992 |
| 1990 | 7 | #6,508 |
| 1985 | 16 | #2,961 |
| 1980 | 6 | #5,620 |
| 1975 | 13 | #2,922 |
| 1970 | 9 | #3,313 |
| 1965 | 8 | #3,016 |
| 1960 | 6 | #3,716 |
| 1955 | 8 | #3,001 |
| 1950 | 8 | #2,800 |
| 1945 | 6 | #3,033 |
| 1940 | 8 | #2,698 |
| 1935 | 11 | #2,270 |
| 1930 | 16 | #1,901 |
| 1925 | 12 | #2,457 |
| 1920 | 13 | #2,355 |
| 1915 | 13 | #2,086 |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Famous people named Casimiro
- Casimiro Torres Soccer player · b. 1906
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
How popular is the name Casimiro in 2025?
Casimiro ranked #10,908 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 Casimiro?
1,084 babies have been named Casimiro in the United States since 1881, based on Social Security card applications.
When was the name Casimiro most popular?
Casimiro peaked in 1921, when 28 newborns received the name.
Is Casimiro a boy or girl name?
Casimiro is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Casimiro rising or falling?
Casimiro is on the rise — noticeably more popular now than a decade ago.
Who are famous people named Casimiro?
Well-known people named Casimiro include Casimiro Torres (soccer player).