How Many People Are Named Carolus?
An estimated 9 people in the United States have the first name Carolus. It is almost exclusively a male name. The average bearer is 59 years old, and Carolus peaked in popularity in 1962 with 5 births that year.
Below you will find a full statistical profile of Carolus as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Carolus paired with any surname.
Key Insights
- Carolus is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
9
About 1 in 38,083,815 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
59
years old
Peak Year
1962
5 births
Total Registered
10
since 1880
Gender Distribution for Carolus
Carolus is almost exclusively a male name. Out of 10 total births registered, 100.0% were male.
Carolus as a male name
Ranked #4,042 in 1967
5 male births in 1967
Peak: 1962 (5 births)
Carolus: Popularity Over Time
Carolus by Decade
How has Carolus tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1960s | 10 | 10 | 0 | |
Carolus + Last Name Combinations
How many people share a full name with Carolus as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Carolus
Other first names starting with C with a similar number of bearers.
Carolus: Questions and Answers
How many people in the U.S. are named Carolus?
We estimate approximately 9 people named Carolus are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 38,083,815 Americans share this first name.
Is Carolus a common name?
Carolus is classified as "Very Rare" and is more popular than 25.5% of all first names in the SSA database. A total of 10 births have been registered with this name since 1880.
When was Carolus most popular?
Carolus reached peak popularity in 1962, when 5 babies were given this name. The average age of a living person named Carolus is approximately 59 years old, reflecting when the name was most commonly given.
Is Carolus a male name?
Carolus is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Carolus Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Carolus Smith, Carolus Johnson, Carolus Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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