How Many People Are Named Kaylynn?
An estimated 11,865 people in the United States have the first name Kaylynn. It is almost exclusively a female name. The average bearer is 21 years old, and Kaylynn peaked in popularity in 2009 with 590 births that year.
Below you will find a full statistical profile of Kaylynn 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 Kaylynn paired with any surname.
Estimated Living Americans
11,865
About 1 in 28,888 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
100.0% confidence
Average Age
21
years old
Peak Year
2009
590 births
Total Registered
12,117
since 1880
Gender Distribution for Kaylynn
Kaylynn is almost exclusively a female name. Out of 12,117 total births registered, 100.0% were female.
Kaylynn as a male name
Ranked #12,412 in 2005
5 male births in 2005
Peak: 2005 (5 births)
Kaylynn as a female name
Ranked #1,542 in 2024
138 female births in 2024
Peak: 2009 (590 births)
Kaylynn: Popularity Over Time
SSA records for Kaylynn span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 4,246 babies were registered. Kaylynn has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kaylynn by Decade
How has Kaylynn 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.
Kaylynn by State
Birth registrations for Kaylynn span all 45 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in Wyoming, Montana, Hawaii. On average, about 218 Kaylynns were registered per state.
Kaylynn + Last Name Combinations
How many people share a full name with Kaylynn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaylynn
Other first names starting with K with a similar number of bearers.
Kaylynn: Questions and Answers
How many people in the U.S. are named Kaylynn?
We estimate approximately 11,865 people named Kaylynn 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 28,888 Americans share this first name.
Is Kaylynn a common name?
Kaylynn is classified as "Uncommon" and is more popular than 97.9% of all first names in the SSA database. A total of 12,117 births have been registered with this name since 1880.
When was Kaylynn most popular?
Kaylynn reached peak popularity in 2009, when 590 babies were given this name. The average age of a living person named Kaylynn is approximately 21 years old, reflecting when the name was most commonly given.
Is Kaylynn a female name?
Kaylynn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kaylynn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaylynn Smith, Kaylynn Johnson, Kaylynn 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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