How Many People Are Named Kathrynn?
An estimated 464 people in the United States have the first name Kathrynn. It is almost exclusively a female name. The average bearer is 30 years old, and Kathrynn peaked in popularity in 2006 with 16 births that year.
Below you will find a full statistical profile of Kathrynn 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 Kathrynn paired with any surname.
Estimated Living Americans
464
About 1 in 738,695 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
30
years old
Peak Year
2006
16 births
Total Registered
501
since 1880
Gender Distribution for Kathrynn
Kathrynn is almost exclusively a female name. Out of 501 total births registered, 100.0% were female.
Kathrynn as a female name
Ranked #16,349 in 2023
5 female births in 2023
Peak: 2006 (16 births)
Kathrynn: Popularity Over Time
SSA records for Kathrynn span from the 1920s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 2010s, when 115 babies were registered. Kathrynn has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Kathrynn by Decade
How has Kathrynn 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.
Kathrynn by State
Kathrynn + Last Name Combinations
How many people share a full name with Kathrynn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kathrynn
Other first names starting with K with a similar number of bearers.
Kathrynn: Questions and Answers
How many people in the U.S. are named Kathrynn?
We estimate approximately 464 people named Kathrynn 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 738,695 Americans share this first name.
Is Kathrynn a common name?
Kathrynn is classified as "Very Rare" and is more popular than 83.9% of all first names in the SSA database. A total of 501 births have been registered with this name since 1880.
When was Kathrynn most popular?
Kathrynn reached peak popularity in 2006, when 16 babies were given this name. The average age of a living person named Kathrynn is approximately 30 years old, reflecting when the name was most commonly given.
Is Kathrynn a female name?
Kathrynn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kathrynn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kathrynn Smith, Kathrynn Johnson, Kathrynn 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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