How Many People Are Named Kaetlyn?
An estimated 524 people in the United States have the first name Kaetlyn. It is almost exclusively a female name. The average bearer is 25 years old, and Kaetlyn peaked in popularity in 1997 with 57 births that year.
Below you will find a full statistical profile of Kaetlyn 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 Kaetlyn paired with any surname.
Estimated Living Americans
524
About 1 in 654,111 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
25
years old
Peak Year
1997
57 births
Total Registered
536
since 1880
Gender Distribution for Kaetlyn
Kaetlyn is almost exclusively a female name. Out of 536 total births registered, 100.0% were female.
Kaetlyn as a female name
Ranked #16,685 in 2019
5 female births in 2019
Peak: 1997 (57 births)
Kaetlyn: Popularity Over Time
SSA records for Kaetlyn span from the 1980s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 246 babies were registered. Kaetlyn has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kaetlyn by Decade
How has Kaetlyn 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.
Kaetlyn by State
Birth registrations for Kaetlyn span all 3 states and territories in the SSA database. The highest counts are in California, Ohio, Texas. The lowest are in Texas, Ohio, California. On average, about 9 Kaetlyns were registered per state.
Kaetlyn + Last Name Combinations
How many people share a full name with Kaetlyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaetlyn
Other first names starting with K with a similar number of bearers.
Kaetlyn: Questions and Answers
How many people in the U.S. are named Kaetlyn?
We estimate approximately 524 people named Kaetlyn 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 654,111 Americans share this first name.
Is Kaetlyn a common name?
Kaetlyn is classified as "Very Rare" and is more popular than 85% of all first names in the SSA database. A total of 536 births have been registered with this name since 1880.
When was Kaetlyn most popular?
Kaetlyn reached peak popularity in 1997, when 57 babies were given this name. The average age of a living person named Kaetlyn is approximately 25 years old, reflecting when the name was most commonly given.
Is Kaetlyn a female name?
Kaetlyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kaetlyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaetlyn Smith, Kaetlyn Johnson, Kaetlyn 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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