How Many People Are Named Chastelyn?
An estimated 156 people in the United States have the first name Chastelyn. It is almost exclusively a female name. The average bearer is 17 years old, and Chastelyn peaked in popularity in 2009 with 150 births that year.
Below you will find a full statistical profile of Chastelyn 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 Chastelyn paired with any surname.
Estimated Living Americans
156
About 1 in 2,197,143 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
17
years old
Peak Year
2009
150 births
Total Registered
158
since 1880
Gender Distribution for Chastelyn
Chastelyn is almost exclusively a female name. Out of 158 total births registered, 100.0% were female.
Chastelyn as a female name
Ranked #12,525 in 2010
8 female births in 2010
Peak: 2009 (150 births)
Chastelyn: Popularity Over Time
SSA records for Chastelyn span from the 2000s to the 2010s, covering 2 decades of naming data. The most popular decade for this name was the 2000s, when 150 babies were registered. Chastelyn has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Chastelyn by Decade
How has Chastelyn 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.
Chastelyn by State
Birth registrations for Chastelyn span all 8 states and territories in the SSA database. The highest counts are in California, Texas, North Carolina. The lowest are in Florida, Arizona, Georgia. On average, about 12 Chastelyns were registered per state.
Chastelyn + Last Name Combinations
How many people share a full name with Chastelyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Chastelyn
Other first names starting with C with a similar number of bearers.
Chastelyn: Questions and Answers
How many people in the U.S. are named Chastelyn?
We estimate approximately 156 people named Chastelyn 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 2,197,143 Americans share this first name.
Is Chastelyn a common name?
Chastelyn is classified as "Very Rare" and is more popular than 70.8% of all first names in the SSA database. A total of 158 births have been registered with this name since 1880.
When was Chastelyn most popular?
Chastelyn reached peak popularity in 2009, when 150 babies were given this name. The average age of a living person named Chastelyn is approximately 17 years old, reflecting when the name was most commonly given.
Is Chastelyn a female name?
Chastelyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Chastelyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Chastelyn Smith, Chastelyn Johnson, Chastelyn 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.
Search for a full name combination
How Many of Me