How Many People Are Named Chastain?
An estimated 10 people in the United States have the first name Chastain. It is used for both genders, with 50.0% female. The average bearer is 26 years old, and Chastain peaked in popularity in 1997 with 5 births that year.
Below you will find a full statistical profile of Chastain 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 Chastain paired with any surname.
Key Insights
- Chastain is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
10
About 1 in 34,275,434 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
50.0% confidence
Average Age
26
years old
Peak Year
1997
5 births
Total Registered
10
since 1880
Gender Distribution for Chastain
Chastain is a genuinely unisex name, used for both males (50.0%) and females (50.0%). Out of 10 total births registered, 5 were male and 5 were female.
Chastain as a male name
Ranked #10,940 in 2002
5 male births in 2002
Peak: 2002 (5 births)
Chastain as a female name
Ranked #14,162 in 1997
5 female births in 1997
Peak: 1997 (5 births)
Chastain: Popularity Over Time
SSA records for Chastain span from the 1990s to the 2000s, covering 2 decades of naming data. The most popular decade for this name was the 2000s, when 5 babies were registered. Chastain remains highly popular today, with recent registration numbers near its historical peak.
Chastain by Decade
How has Chastain 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.
Chastain + Last Name Combinations
How many people share a full name with Chastain as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Chastain
Other first names starting with C with a similar number of bearers.
Chastain: Questions and Answers
How many people in the U.S. are named Chastain?
We estimate approximately 10 people named Chastain 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 34,275,434 Americans share this first name.
Is Chastain a common name?
Chastain is classified as "Very Rare" and is more popular than 28.5% of all first names in the SSA database. A total of 10 births have been registered with this name since 1880.
When was Chastain most popular?
Chastain reached peak popularity in 1997, when 5 babies were given this name. The average age of a living person named Chastain is approximately 26 years old, reflecting when the name was most commonly given.
Is Chastain a female name?
Chastain is predominantly female. 50.0% of people with this name are female. See the gender breakdown above for full details.
How many Chastain Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Chastain Smith, Chastain Johnson, Chastain 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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