How Many People Are Named Casimiro?
people named Casimiro are alive in the United States today (estimate)
About 1 in 563,072 people in the US has this name
Based on 1,084 babies named Casimiro in Social Security records from 1881 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
28 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Spanish, Portuguese and Italian form of CASIMIR.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
All of the babies given the name Casimiro in the records were boys.
👥 Age Distribution
The average person named Casimiro alive today is about 46 years old, and 46% are between 30 and 59. Half of them were between 30 and 63 in 2025.
📈 Popularity Over Time
Casimiro first appears in the records in 1881 and was given most often in 1921, to 28 babies. In 2025, 6 babies got the name.
Babies given the name each year, 1881 to 2025
🏆 Rank History
Casimiro has never been one of the 100 most popular boys' names. Its best rank was #802, in 1881. In 2025 it ranked #10,904.
| Boys | |
|---|---|
| Rank in 2025 | #10,904 |
| Best rank | #802 (1881) |
| Years in the top 100 | None |
| Rank in its biggest decade | #1,953 in the 1920s |
📍 State-Wise Distribution
People named Casimiro alive today, by the state where they were born (estimate; state records start in 1910).
More people named Casimiro were born in Texas than in any other state: about 173 of those alive today. Compared with the national rate in the same years, Casimiro was given about 15 times as often in Texas.
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