How Many People Are Named Katheryn?
An estimated 9,424 people in the United States have the first name Katheryn. It is almost exclusively a female name. The average bearer is 44 years old, and Katheryn peaked in popularity in 1990 with 213 births that year.
Below you will find a full statistical profile of Katheryn 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 Katheryn paired with any surname.
Estimated Living Americans
9,424
About 1 in 36,370 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
44
years old
Peak Year
1990
213 births
Total Registered
15,175
since 1880
Gender Distribution for Katheryn
Katheryn is almost exclusively a female name. Out of 15,175 total births registered, 100.0% were female.
Katheryn as a female name
Ranked #3,412 in 2024
46 female births in 2024
Peak: 1990 (213 births)
Katheryn: Popularity Over Time
SSA records for Katheryn span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1990s, when 1,862 babies were registered. Katheryn has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Katheryn by Decade
How has Katheryn 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.
Katheryn by State
Birth registrations for Katheryn span all 37 states and territories in the SSA database. The highest counts are in California, Texas, Illinois. The lowest are in Maine, Utah, South Dakota. On average, about 222 Katheryns were registered per state.
Katheryn + Last Name Combinations
How many people share a full name with Katheryn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Katheryn
Other first names starting with K with a similar number of bearers.
Katheryn: Questions and Answers
How many people in the U.S. are named Katheryn?
We estimate approximately 9,424 people named Katheryn 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 36,370 Americans share this first name.
Is Katheryn a common name?
Katheryn is classified as "Rare" and is more popular than 97.6% of all first names in the SSA database. A total of 15,175 births have been registered with this name since 1880.
When was Katheryn most popular?
Katheryn reached peak popularity in 1990, when 213 babies were given this name. The average age of a living person named Katheryn is approximately 44 years old, reflecting when the name was most commonly given.
Is Katheryn a female name?
Katheryn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Katheryn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Katheryn Smith, Katheryn Johnson, Katheryn 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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