How Many People Are Named Karlyn?
An estimated 2,011 people in the United States have the first name Karlyn. It is almost exclusively a female name. The average bearer is 40 years old, and Karlyn peaked in popularity in 1992 with 51 births that year.
Below you will find a full statistical profile of Karlyn 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 Karlyn paired with any surname.
Estimated Living Americans
2,011
About 1 in 170,440 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.7% confidence
Average Age
40
years old
Peak Year
1992
51 births
Total Registered
2,375
since 1880
Gender Distribution for Karlyn
Karlyn is almost exclusively a female name. Out of 2,375 total births registered, 99.7% were female.
Karlyn as a male name
Ranked #7,559 in 1996
7 male births in 1996
Peak: 1996 (7 births)
Karlyn as a female name
Ranked #11,582 in 2024
8 female births in 2024
Peak: 1992 (51 births)
Karlyn: Popularity Over Time
SSA records for Karlyn span from the 1920s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 1990s, when 404 babies were registered. Karlyn has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Karlyn by Decade
How has Karlyn 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.
Karlyn by State
Birth registrations for Karlyn span all 6 states and territories in the SSA database. The highest counts are in California, Illinois, Texas. The lowest are in Pennsylvania, Missouri, Florida. On average, about 17 Karlyns were registered per state.
Karlyn + Last Name Combinations
How many people share a full name with Karlyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Karlyn
Other first names starting with K with a similar number of bearers.
Karlyn: Questions and Answers
How many people in the U.S. are named Karlyn?
We estimate approximately 2,011 people named Karlyn 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 170,440 Americans share this first name.
Is Karlyn a common name?
Karlyn is classified as "Rare" and is more popular than 93.7% of all first names in the SSA database. A total of 2,375 births have been registered with this name since 1880.
When was Karlyn most popular?
Karlyn reached peak popularity in 1992, when 51 babies were given this name. The average age of a living person named Karlyn is approximately 40 years old, reflecting when the name was most commonly given.
Is Karlyn a female name?
Karlyn is predominantly female. 99.7% of people with this name are female. See the gender breakdown above for full details.
How many Karlyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Karlyn Smith, Karlyn Johnson, Karlyn 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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