Kasimer
Derived from the Polish surname Kazimierz, meaning "prominent destroyer".
Name Census estimates that about 0 living Americans carry the first name Kasimer. The name is used almost exclusively for boys. The average person named Kasimer today is around 0 years old, and the year with the single highest number of Kasimer births was 1918 (5 babies).
This page is the full Name Census profile for Kasimer. 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 Kasimer. 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
#4,493
Tracked since 1918
Popularity
Kasimer: popularity over time
Babies born per year
Decades
Kasimer 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 Kasimer 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 Kasimer
The name Kasimer has its origins in the Polish language, derived from the Old Polish word "Kazimierz," which in turn comes from the Slavic elements "kazi" meaning "to destroy" and "miro" meaning "peace." The name was initially associated with the Piast dynasty, a prominent ruling family in medieval Poland.
In the 10th century, the name gained significance when it was borne by Casimir I the Restorer, also known as Kazimierz I Odnowiciel (c. 1016-1058), Duke of Poland. He played a crucial role in restoring the territorial integrity and power of the Polish state after a period of internal strife and foreign intervention.
The name Kasimer also has religious connotations, as it was the name of several Polish saints and martyrs. One notable figure is Saint Casimir (1458-1484), the son of King Casimir IV Jagiellon of Poland. He was known for his piety, asceticism, and devotion to the Virgin Mary, and was canonized by Pope Clement VIII in 1602.
Throughout history, the name Kasimer has been associated with several notable individuals, including Casimir III the Great (1310-1370), one of the most influential and successful rulers of medieval Poland, who was responsible for significant territorial expansion and economic development.
Another prominent bearer of the name was Casimir Pulaski (1745-1779), a Polish military leader and a renowned hero of the American Revolutionary War, who fought for the independence of the United States alongside George Washington.
Kasimer has also been the name of several Polish monarchs and noblemen, such as Casimir I the Restorer, Casimir II the Just (1138-1194), and Casimir IV Jagiellon (1427-1492), who oversaw the golden age of the Polish-Lithuanian Commonwealth.
While the name Kasimer has its roots in Polish culture and history, it has also been adopted and used in other Slavic and European countries, although with varying spellings and pronunciations. The name's association with notable historical figures and its rich cultural heritage have contributed to its enduring popularity over the centuries.
People
Kasimer + last name combinations
How many people share a full name with Kasimer as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with K
Other first names starting with K with a similar number of bearers.
FAQ
Kasimer: questions and answers
How many people in the U.S. are named Kasimer?
Name Census puts the figure at roughly 0 living Americans. We arrive at this by taking every SSA birth registration for Kasimer 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 Kasimer a common name?
We classify Kasimer 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 Kasimer most popular?
The single biggest year for Kasimer was 1918, when 5 babies received the name. The fact that the average living Kasimer 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 Kasimer in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Kasimer a male name?
Yes, 100.0% of people registered as Kasimer 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 Kasimer still being used today?
Yes. The SSA still recorded Kasimer 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 Kasimer 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 common is the name Kasimer?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.