How Many People Are Named Caisyn?
An estimated 224 people in the United States have the first name Caisyn. It is used for both genders, with 71.7% male. The average bearer is 6 years old, and Caisyn peaked in popularity in 2023 with 41 births that year.
Below you will find a full statistical profile of Caisyn 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 Caisyn paired with any surname.
Estimated Living Americans
224
About 1 in 1,530,153 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
71.7% confidence
Average Age
6
years old
Peak Year
2023
41 births
Total Registered
226
since 1880
Gender Distribution for Caisyn
Caisyn is a genuinely unisex name, used for both males (71.7%) and females (28.3%). Out of 226 total births registered, 162 were male and 64 were female.
Caisyn as a male name
Ranked #4,575 in 2024
22 male births in 2024
Peak: 2023 (31 births)
Caisyn as a female name
Ranked #13,743 in 2024
6 female births in 2024
Peak: 2019 (11 births)
Caisyn: Popularity Over Time
SSA records for Caisyn span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2020s, when 138 babies were registered. Caisyn remains highly popular today, with recent registration numbers near its historical peak.
Caisyn by Decade
How has Caisyn 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.
Caisyn by State
Caisyn + Last Name Combinations
How many people share a full name with Caisyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Caisyn
Other first names starting with C with a similar number of bearers.
Caisyn: Questions and Answers
How many people in the U.S. are named Caisyn?
We estimate approximately 224 people named Caisyn 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 1,530,153 Americans share this first name.
Is Caisyn a common name?
Caisyn is classified as "Very Rare" and is more popular than 75.6% of all first names in the SSA database. A total of 226 births have been registered with this name since 1880.
When was Caisyn most popular?
Caisyn reached peak popularity in 2023, when 41 babies were given this name. The average age of a living person named Caisyn is approximately 6 years old, reflecting when the name was most commonly given.
Is Caisyn a male name?
Caisyn is predominantly male. 71.7% of people with this name are male. See the gender breakdown above for full details.
How many Caisyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Caisyn Smith, Caisyn Johnson, Caisyn 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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