boy's name
Casimir
- Gender Boy
- Syllables 3
- Letters 7
- Popularity Uncommon
- Births on record 12,545
Casimir is a boy's name with 3 syllables. In 2025 it was given to 73 babies in the United States. It is used consistently but remains uncommon.
- Peaked in France in 1931, when 275 babies were given the name.
- After peaking in the 1930s it fell out of use, and is now climbing again — a classic revival in France.
- Today about 1 in 117,911 babies in France is given this name.
- First appears in birth records in 1900.
- 3 syllables, with the stress on syllable 1.
Casimir over time
Births per decade in France, 1900s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1900s | 1,440 |
| 1910s | 1,080 |
| 1920s | 1,565 |
| 1930s | 1,650 |
| 1940s | 730 |
| 1950s | 335 |
| 1960s | 190 |
| 1970s | 75 |
| 1980s | 30 |
| 1990s | 35 |
| 2000s | 55 |
| 2010s | 15 |
| 2020s (to 2025) | 25 |
How popular is Casimir?
In 2025, Casimir was given to 5 babies in France. It is used consistently but remains uncommon.
Where Casimir is used
French counts are rounded to the nearest five and nothing below five is published, so these figures show the shape of the name's use rather than an exact tally. Data & sources.
Names that peaked alongside Casimir
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Casimir also like
Names whose popularity has risen and fallen in step with Casimir over the last century — the same taste, a different name.
Casimir in other languages
The same name as it is spelled elsewhere — not shortenings, and not different names that merely sound alike. Each one has its own record here.
Sibling names for Casimir
Names from the same era that won't rhyme or share an initial with Casimir — the two things that make a sibling set grate.
Common questions about Casimir
How popular is the name Casimir?
In 2025, Casimir was given to 5 babies in France. It is used consistently but remains uncommon.
Is Casimir a girl's or a boy's name?
Casimir is given almost entirely to boys in birth records.
How many syllables are in Casimir?
Casimir has 3 syllables.
When was Casimir most popular?
Casimir peaked in 1931, when 275 babies were given the name. After peaking in the 1930s it fell out of use, and is now climbing again — a classic revival.
Is Casimir a good name?
That is not something records can settle, but they can tell you what you would be choosing. Casimir currently ranks #2,044 in France. After peaking in the 1930s 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.