How Many People Are Named Karolyne?
An estimated 257 people in the United States have the first name Karolyne. It is almost exclusively a female name. The average bearer is 19 years old, and Karolyne peaked in popularity in 2008 with 16 births that year.
Below you will find a full statistical profile of Karolyne 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 Karolyne paired with any surname.
Estimated Living Americans
257
About 1 in 1,333,674 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
19
years old
Peak Year
2008
16 births
Total Registered
261
since 1880
Gender Distribution for Karolyne
Karolyne is almost exclusively a female name. Out of 261 total births registered, 100.0% were female.
Karolyne as a female name
Ranked #16,426 in 2021
5 female births in 2021
Peak: 2008 (16 births)
Karolyne: Popularity Over Time
SSA records for Karolyne span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 109 babies were registered. Karolyne has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Karolyne by Decade
How has Karolyne 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.
Karolyne by State
Karolyne + Last Name Combinations
How many people share a full name with Karolyne as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Karolyne
Other first names starting with K with a similar number of bearers.
Karolyne: Questions and Answers
How many people in the U.S. are named Karolyne?
We estimate approximately 257 people named Karolyne 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 1,333,674 Americans share this first name.
Is Karolyne a common name?
Karolyne is classified as "Very Rare" and is more popular than 77.4% of all first names in the SSA database. A total of 261 births have been registered with this name since 1880.
When was Karolyne most popular?
Karolyne reached peak popularity in 2008, when 16 babies were given this name. The average age of a living person named Karolyne is approximately 19 years old, reflecting when the name was most commonly given.
Is Karolyne a female name?
Karolyne is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Karolyne Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Karolyne Smith, Karolyne Johnson, Karolyne 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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