boy's name
Casmir
KAZ-meer (English)
- Gender Boy
- Syllables 2
- Letters 6
- Popularity Rare
- Births on record 356
Casmir is a boy's name with 2 syllables. In 2025 it was given to 6 babies in the United States. It is a rare choice.
- Peaked in 1918, when 24 babies were given the name.
- After peaking in the 1910s it fell out of use, and is now climbing again — a classic revival.
- Today about 1 in 552,792 babies in the United States is given this name.
- First appears in US birth records in 1913.
- 2 syllables, with the stress on syllable 1.
Casmir Over Time
Births per decade in the United States, 1910s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1910s | 117 |
| 1920s | 102 |
| 1930s | 36 |
| 1940s | 11 |
| 1950s | 0 |
| 1960s | 0 |
| 1970s | 0 |
| 1980s | 0 |
| 1990s | 14 |
| 2000s | 15 |
| 2010s | 11 |
| 2020s (to 2025) | 50 |
How Popular Is Casmir?
In 2025, Casmir was given to 6 babies in the United States. It is a rare choice.
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names That Peaked Alongside Casmir
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Casmir Also Like
Names whose popularity has risen and fallen in step with Casmir over the last century — the same taste, a different name.
How to Say Casmir
- English KAZ-meer
Sibling Names for Casmir
Names from the same era that do not rhyme or share an initial with Casmir — the two things that make a sibling set grate.
Common Questions About Casmir
How popular is the name Casmir?
In 2025, Casmir was given to 6 babies in the United States. It is a rare choice.
Is Casmir a girl's or a boy's name?
Casmir is given almost entirely to boys in birth records.
How many syllables are in Casmir?
Casmir has 2 syllables.
When was Casmir most popular?
Casmir peaked in 1918, when 24 babies were given the name. After peaking in the 1910s it fell out of use, and is now climbing again — a classic revival.
Is Casmir a good name?
That is not something records can settle, but they can tell you what you would be choosing. Casmir currently ranks #11,435 in the United States. After peaking in the 1910s it fell out of use, and is now climbing again — a classic revival. Everything else — how it sounds with your surname, who it reminds you of — is yours.