How Many People Are Named Casimer?
people named Casimer are alive in the United States today (estimate)
About 1 in 1,898,804 people in the US has this name
Based on 1,895 babies named Casimer in Social Security records from 1895 to 2017, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
135 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Casimer in the records were boys.
👥 Age Distribution
The average person named Casimer alive today is about 69 years old, and 82% are 60 or older. Half of them were between 67 and 81 in 2025.
📈 Popularity Over Time
Casimer first appears in the records in 1895 and was given most often in 1918, to 135 babies. The last year it was given to at least 5 babies of one sex was 2017.
Babies given the name each year, 1895 to 2017
🏆 Rank History
Casimer has never been one of the 100 most popular boys' names. Its best rank was #510, in 1917.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #510 (1917) |
| Years in the top 100 | None |
| Rank in its biggest decade | #576 in the 1910s |
📍 State-Wise Distribution
People named Casimer alive today, by the state where they were born (estimate; state records start in 1910).
More people named Casimer were born in Michigan than in any other state: about 9 of those alive today. Compared with the national rate in the same years, Casimer was given 5.7 times as often in Michigan, 4.6 times in Illinois and 2.4 times in New York.
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