How Many People Are Named Casyn?
An estimated 514 people in the United States have the first name Casyn. It is predominantly male (95.0%). The average bearer is 11 years old, and Casyn peaked in popularity in 2014 with 46 births that year.
Below you will find a full statistical profile of Casyn 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 Casyn paired with any surname.
Estimated Living Americans
514
About 1 in 666,837 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
95.0% confidence
Average Age
11
years old
Peak Year
2014
46 births
Total Registered
518
since 1880
Gender Distribution for Casyn
Casyn is predominantly male (95.0%), though 26 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Casyn as a male name
Ranked #4,576 in 2024
22 male births in 2024
Peak: 2020 (35 births)
Casyn as a female name
Ranked #9,095 in 2014
12 female births in 2014
Peak: 2014 (12 births)
Casyn: Popularity Over Time
SSA records for Casyn span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 297 babies were registered. While Casyn is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Casyn by Decade
How has Casyn 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.
Casyn by State
Casyn + Last Name Combinations
How many people share a full name with Casyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Casyn
Other first names starting with C with a similar number of bearers.
Casyn: Questions and Answers
How many people in the U.S. are named Casyn?
We estimate approximately 514 people named Casyn 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 666,837 Americans share this first name.
Is Casyn a common name?
Casyn is classified as "Very Rare" and is more popular than 84.8% of all first names in the SSA database. A total of 518 births have been registered with this name since 1880.
When was Casyn most popular?
Casyn reached peak popularity in 2014, when 46 babies were given this name. The average age of a living person named Casyn is approximately 11 years old, reflecting when the name was most commonly given.
Is Casyn a male name?
Casyn is predominantly male. 95.0% of people with this name are male. See the gender breakdown above for full details.
How many Casyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Casyn Smith, Casyn Johnson, Casyn 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