How Many People Are Named Cromwell?
An estimated 6 people in the United States have the first name Cromwell. It is almost exclusively a male name. The average bearer is 62 years old, and Cromwell peaked in popularity in 1918 with 7 births that year.
Below you will find a full statistical profile of Cromwell 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 Cromwell paired with any surname.
Key Insights
- Cromwell is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
6
About 1 in 57,125,723 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
62
years old
Peak Year
1918
7 births
Total Registered
34
since 1880
Gender Distribution for Cromwell
Cromwell is almost exclusively a male name. Out of 34 total births registered, 100.0% were male.
Cromwell as a male name
Ranked #5,047 in 1971
5 male births in 1971
Peak: 1918 (7 births)
Cromwell: Popularity Over Time
SSA records for Cromwell span from the 1910s to the 1970s, covering 4 decades of naming data. The most popular decade for this name was the 1910s, when 13 babies were registered. While Cromwell is less common than at its peak in the 1910s, it remains a well-established name with steady registrations.
Cromwell by Decade
How has Cromwell 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.
Cromwell + Last Name Combinations
How many people share a full name with Cromwell as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cromwell
Other first names starting with C with a similar number of bearers.
Cromwell: Questions and Answers
How many people in the U.S. are named Cromwell?
We estimate approximately 6 people named Cromwell 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 57,125,723 Americans share this first name.
Is Cromwell a common name?
Cromwell is classified as "Very Rare" and is more popular than 22.3% of all first names in the SSA database. A total of 34 births have been registered with this name since 1880.
When was Cromwell most popular?
Cromwell reached peak popularity in 1918, when 7 babies were given this name. The average age of a living person named Cromwell is approximately 62 years old, reflecting when the name was most commonly given.
Is Cromwell a male name?
Cromwell is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Cromwell Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cromwell Smith, Cromwell Johnson, Cromwell 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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