How Many People Are Named Cathryn?
An estimated 10,512 people in the United States have the first name Cathryn. It is almost exclusively a female name. The average bearer is 51 years old, and Cathryn peaked in popularity in 1956 with 368 births that year.
Below you will find a full statistical profile of Cathryn 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 Cathryn paired with any surname.
Estimated Living Americans
10,512
About 1 in 32,606 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
100.0% confidence
Average Age
51
years old
Peak Year
1956
368 births
Total Registered
16,322
since 1880
Gender Distribution for Cathryn
Cathryn is almost exclusively a female name. Out of 16,322 total births registered, 100.0% were female.
Cathryn as a female name
Ranked #6,659 in 2024
17 female births in 2024
Peak: 1956 (368 births)
Cathryn: Popularity Over Time
SSA records for Cathryn span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1950s, when 3,271 babies were registered. Cathryn has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Cathryn by Decade
How has Cathryn 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.
Cathryn by State
Birth registrations for Cathryn span all 40 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in South Dakota, New Mexico, Montana. On average, about 244 Cathryns were registered per state.
Cathryn + Last Name Combinations
How many people share a full name with Cathryn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cathryn
Other first names starting with C with a similar number of bearers.
Cathryn: Questions and Answers
How many people in the U.S. are named Cathryn?
We estimate approximately 10,512 people named Cathryn 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 32,606 Americans share this first name.
Is Cathryn a common name?
Cathryn is classified as "Uncommon" and is more popular than 97.8% of all first names in the SSA database. A total of 16,322 births have been registered with this name since 1880.
When was Cathryn most popular?
Cathryn reached peak popularity in 1956, when 368 babies were given this name. The average age of a living person named Cathryn is approximately 51 years old, reflecting when the name was most commonly given.
Is Cathryn a female name?
Cathryn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cathryn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cathryn Smith, Cathryn Johnson, Cathryn 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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