How Many People Are Named Kaytlyn?
An estimated 2,652 people in the United States have the first name Kaytlyn. It is almost exclusively a female name. The average bearer is 26 years old, and Kaytlyn peaked in popularity in 1998 with 158 births that year.
Below you will find a full statistical profile of Kaytlyn 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 Kaytlyn paired with any surname.
Estimated Living Americans
2,652
About 1 in 129,244 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
26
years old
Peak Year
1998
158 births
Total Registered
2,716
since 1880
Gender Distribution for Kaytlyn
Kaytlyn is almost exclusively a female name. Out of 2,716 total births registered, 100.0% were female.
Kaytlyn as a female name
Ranked #8,154 in 2024
13 female births in 2024
Peak: 1998 (158 births)
Kaytlyn: Popularity Over Time
SSA records for Kaytlyn span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 1990s, when 1,272 babies were registered. Kaytlyn has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kaytlyn by Decade
How has Kaytlyn 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.
Kaytlyn by State
Birth registrations for Kaytlyn span all 29 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in South Carolina, Nevada, Arizona. On average, about 41 Kaytlyns were registered per state.
Kaytlyn + Last Name Combinations
How many people share a full name with Kaytlyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaytlyn
Other first names starting with K with a similar number of bearers.
Kaytlyn: Questions and Answers
How many people in the U.S. are named Kaytlyn?
We estimate approximately 2,652 people named Kaytlyn 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 129,244 Americans share this first name.
Is Kaytlyn a common name?
Kaytlyn is classified as "Rare" and is more popular than 94.8% of all first names in the SSA database. A total of 2,716 births have been registered with this name since 1880.
When was Kaytlyn most popular?
Kaytlyn reached peak popularity in 1998, when 158 babies were given this name. The average age of a living person named Kaytlyn is approximately 26 years old, reflecting when the name was most commonly given.
Is Kaytlyn a female name?
Kaytlyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kaytlyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaytlyn Smith, Kaytlyn Johnson, Kaytlyn 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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