Casimiro
Casimiro was the 10908th most popular name for boys in 2025, given to 6 babies. Its best year was 1881, when it ranked 803rd; the most babies were born in 1921 (28). More babies were named Casimiro in the 1920s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #10,908 boys
- Babies in 2025
- 6boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 192128 babies
- Total since 1880
- 1,084babies recorded
Casimiro popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #10,908 | 6 |
| 2020 | — | — |
| 2010 | — | — |
| 2000 | #5,627 | 12 |
| 1990 | #6,508 | 7 |
| 1980 | #5,620 | 6 |
| 1970 | #3,313 | 9 |
| 1960 | #3,716 | 6 |
| 1950 | #2,800 | 8 |
| 1940 | #2,698 | 8 |
| 1930 | #1,901 | 16 |
| 1920 | #2,355 | 13 |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Casimiro, counting every spelling?
Casimiro has no other common spelling that sounds the same.
How many kids will share the name Casimiro?
6 of the 3,606,400 babies born in the US in 2025 were named Casimiro (0.00 per 1,000 births). For a boy named Casimiro born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 1,368 (of 430 pupils) would have a child named Casimiro.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Casimiro?
About 600 people born in the US named Casimiro are alive today, with a median age of 47; half are between 31 and 64. That makes Casimiro mostly worn by adults in their thirties to fifties.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Names with a similar history
These names rose and fell in step with Casimiro: their share of US boys followed the most similar curve since 1880. If you like Casimiro, they share its era and feel.
Questions about the name Casimiro
How popular is the name Casimiro?
Casimiro was the 10908th most popular name for boys in 2025, given to 6 babies. Its best year was 1881, when it ranked 803rd; the most babies were born in 1921 (28). More babies were named Casimiro in the 1920s than in any other decade.
Is Casimiro a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Casimiro in the US.