How Many People Are Named Kayln?
An estimated 511 people in the United States have the first name Kayln. It is almost exclusively a female name. The average bearer is 27 years old, and Kayln peaked in popularity in 1995 with 29 births that year.
Below you will find a full statistical profile of Kayln 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 Kayln paired with any surname.
Estimated Living Americans
511
About 1 in 670,752 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
27
years old
Peak Year
1995
29 births
Total Registered
525
since 1880
Gender Distribution for Kayln
Kayln is almost exclusively a female name. Out of 525 total births registered, 100.0% were female.
Kayln as a female name
Ranked #13,387 in 2017
7 female births in 2017
Peak: 1995 (29 births)
Kayln: Popularity Over Time
SSA records for Kayln span from the 1980s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 226 babies were registered. While Kayln is less common than at its peak in the 1990s, it remains a well-established name with steady registrations.
Kayln by Decade
How has Kayln 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.
Kayln by State
Kayln + Last Name Combinations
How many people share a full name with Kayln as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kayln
Other first names starting with K with a similar number of bearers.
Kayln: Questions and Answers
How many people in the U.S. are named Kayln?
We estimate approximately 511 people named Kayln 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 670,752 Americans share this first name.
Is Kayln a common name?
Kayln is classified as "Very Rare" and is more popular than 84.8% of all first names in the SSA database. A total of 525 births have been registered with this name since 1880.
When was Kayln most popular?
Kayln reached peak popularity in 1995, when 29 babies were given this name. The average age of a living person named Kayln is approximately 27 years old, reflecting when the name was most commonly given.
Is Kayln a female name?
Kayln is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kayln Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kayln Smith, Kayln Johnson, Kayln 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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