How Many People Are Named Kayn?
An estimated 260 people in the United States have the first name Kayn. It is almost exclusively a male name. The average bearer is 9 years old, and Kayn peaked in popularity in 2021 with 28 births that year.
Below you will find a full statistical profile of Kayn 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 Kayn paired with any surname.
Estimated Living Americans
260
About 1 in 1,318,286 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
9
years old
Peak Year
2021
28 births
Total Registered
262
since 1880
Gender Distribution for Kayn
Kayn is almost exclusively a male name. Out of 262 total births registered, 100.0% were male.
Kayn as a male name
Ranked #4,012 in 2024
27 male births in 2024
Peak: 2021 (28 births)
Kayn: Popularity Over Time
SSA records for Kayn span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 126 babies were registered. Kayn remains highly popular today, with recent registration numbers near its historical peak.
Kayn by Decade
How has Kayn 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.
Kayn + Last Name Combinations
How many people share a full name with Kayn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kayn
Other first names starting with K with a similar number of bearers.
Kayn: Questions and Answers
How many people in the U.S. are named Kayn?
We estimate approximately 260 people named Kayn 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 1,318,286 Americans share this first name.
Is Kayn a common name?
Kayn is classified as "Very Rare" and is more popular than 77.6% of all first names in the SSA database. A total of 262 births have been registered with this name since 1880.
When was Kayn most popular?
Kayn reached peak popularity in 2021, when 28 babies were given this name. The average age of a living person named Kayn is approximately 9 years old, reflecting when the name was most commonly given.
Is Kayn a male name?
Kayn is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Kayn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kayn Smith, Kayn Johnson, Kayn 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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