How Many People Are Named Kellyn?
An estimated 2,131 people in the United States have the first name Kellyn. It is used for both genders, with 90.0% female. The average bearer is 26 years old, and Kellyn peaked in popularity in 1985 with 97 births that year.
Below you will find a full statistical profile of Kellyn 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 Kellyn paired with any surname.
Estimated Living Americans
2,131
About 1 in 160,842 people in the U.S.
Rarity
Rare
Predicted Gender
Female
90.0% confidence
Average Age
26
years old
Peak Year
1985
97 births
Total Registered
2,196
since 1880
Gender Distribution for Kellyn
Kellyn is predominantly female (90.0%), though 220 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Kellyn as a male name
Ranked #13,255 in 2024
5 male births in 2024
Peak: 2013 (19 births)
Kellyn as a female name
Ranked #6,775 in 2024
17 female births in 2024
Peak: 1985 (97 births)
Kellyn: Popularity Over Time
SSA records for Kellyn span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1980s, when 597 babies were registered. Kellyn has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Kellyn by Decade
How has Kellyn 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.
Kellyn by State
Birth registrations for Kellyn span all 13 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in New Jersey, Idaho, Florida. On average, about 23 Kellyns were registered per state.
Kellyn + Last Name Combinations
How many people share a full name with Kellyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kellyn
Other first names starting with K with a similar number of bearers.
Kellyn: Questions and Answers
How many people in the U.S. are named Kellyn?
We estimate approximately 2,131 people named Kellyn 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 160,842 Americans share this first name.
Is Kellyn a common name?
Kellyn is classified as "Rare" and is more popular than 93.9% of all first names in the SSA database. A total of 2,196 births have been registered with this name since 1880.
When was Kellyn most popular?
Kellyn reached peak popularity in 1985, when 97 babies were given this name. The average age of a living person named Kellyn is approximately 26 years old, reflecting when the name was most commonly given.
Is Kellyn a female name?
Kellyn is predominantly female. 90.0% of people with this name are female. See the gender breakdown above for full details.
How many Kellyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kellyn Smith, Kellyn Johnson, Kellyn 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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