Casimere
A masculine name derived from a surname meaning "costly material, cashmere".
Name Census estimates that about 0 living Americans carry the first name Casimere. The name is used almost exclusively for boys. The average person named Casimere today is around 0 years old, and the year with the single highest number of Casimere births was 1918 (5 babies).
This page is the full Name Census profile for Casimere. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
Key insights
- • Fewer than 100 living Americans are believed to carry the name Casimere. It is among the rarest names in the SSA records.
People living today
0
~ - Americans
Peak year
1918
5 babies that year
Average age
-
1918 SSA rank
#4,273
Tracked since 1918
Popularity
Casimere: popularity over time
Babies born per year
Decades
Casimere by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Casimere during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 1910s | 5 | 0 | 5 |
Origin
Meaning and history of Casimere
The name Casimere has its origins in the Polish language and culture, tracing back to the early medieval period. It is derived from the Slavic elements "kazić" meaning "to spoil" or "to destroy" and "mir" meaning "peace." The combination of these elements suggests the name may have originally carried the meaning of "destroyer of peace" or "one who disturbs the peace."
In its early forms, the name was spelled as "Kazimierz" or "Kazimír" in Polish. It gained popularity as the name of several Polish kings and princes, including Saint Casimir (1458-1484), the patron saint of Poland and Lithuania. The veneration of Saint Casimir helped popularize the name across Central and Eastern Europe.
One of the earliest recorded instances of the name can be found in the 13th-century Polish chronicle "Chronica Polonorum" by Wincenty Kadłubek, which mentions a Prince Casimir of Poland from the Piast dynasty.
Over the centuries, the name has been borne by several notable historical figures, including:
1. Casimir III the Great (1310-1370), King of Poland, who oversaw a period of economic and territorial expansion for the Polish Kingdom.
2. Casimir IV Jagiellon (1427-1492), Grand Duke of Lithuania and King of Poland, who presided over the Union of Lublin and the incorporation of Lithuania into the Polish Crown.
3. Casimir Pulaski (1745-1779), a Polish military commander who fought for American independence during the Revolutionary War.
4. Casimir Delavigne (1793-1843), a French playwright and poet known for his works such as "Les Vêpres Siciliennes" and "L'École des Vieillards."
5. Casimir Funk (1884-1967), a Polish-American biochemist who coined the term "vitamin" and made significant contributions to the understanding of nutrition and vitamins.
While the name has its roots in Polish and Slavic cultures, it has been adopted and adapted in various forms across different languages and cultures over time, reflecting the influence and spread of the name through history.
People
Casimere + last name combinations
How many people share a full name with Casimere as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with C
Other first names starting with C with a similar number of bearers.
FAQ
Casimere: questions and answers
How many people in the U.S. are named Casimere?
Name Census puts the figure at roughly 0 living Americans. We arrive at this by taking every SSA birth registration for Casimere going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about - US residents.
Is Casimere a common name?
We classify Casimere as "Very Rare". It ranks above 2.9% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Casimere most popular?
The single biggest year for Casimere was 1918, when 5 babies received the name. The fact that the average living Casimere is about 0 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Casimere in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Casimere a male name?
Yes, 100.0% of people registered as Casimere in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Is Casimere still being used today?
Yes. The SSA still recorded Casimere in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Casimere can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people have the name Casimere?
Find out how many Americans are named Casimere on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.