How Many People Are Named Caswell?
An estimated 165 people in the United States have the first name Caswell. It is almost exclusively a male name. The average bearer is 36 years old, and Caswell peaked in popularity in 1923 with 14 births that year.
Below you will find a full statistical profile of Caswell 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 Caswell paired with any surname.
Estimated Living Americans
165
About 1 in 2,077,299 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
36
years old
Peak Year
1923
14 births
Total Registered
327
since 1880
Gender Distribution for Caswell
Caswell is almost exclusively a male name. Out of 327 total births registered, 100.0% were male.
Caswell as a male name
Ranked #10,042 in 2024
7 male births in 2024
Peak: 1923 (14 births)
Caswell: Popularity Over Time
SSA records for Caswell span from the 1880s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1920s, when 83 babies were registered. While Caswell is less common than at its peak in the 1920s, it remains a well-established name with steady registrations.
Caswell by Decade
How has Caswell 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.
Caswell + Last Name Combinations
How many people share a full name with Caswell as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Caswell
Other first names starting with C with a similar number of bearers.
Caswell: Questions and Answers
How many people in the U.S. are named Caswell?
We estimate approximately 165 people named Caswell 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 2,077,299 Americans share this first name.
Is Caswell a common name?
Caswell is classified as "Very Rare" and is more popular than 71.6% of all first names in the SSA database. A total of 327 births have been registered with this name since 1880.
When was Caswell most popular?
Caswell reached peak popularity in 1923, when 14 babies were given this name. The average age of a living person named Caswell is approximately 36 years old, reflecting when the name was most commonly given.
Is Caswell a male name?
Caswell is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Caswell Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Caswell Smith, Caswell Johnson, Caswell 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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