How Many People Are Named Catilyn?
An estimated 92 people in the United States have the first name Catilyn. It is almost exclusively a female name. The average bearer is 27 years old, and Catilyn peaked in popularity in 2002 with 13 births that year.
Below you will find a full statistical profile of Catilyn 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 Catilyn paired with any surname.
Key Insights
- Catilyn is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
92
About 1 in 3,725,591 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
27
years old
Peak Year
2002
13 births
Total Registered
94
since 1880
Gender Distribution for Catilyn
Catilyn is almost exclusively a female name. Out of 94 total births registered, 100.0% were female.
Catilyn as a female name
Ranked #18,071 in 2008
5 female births in 2008
Peak: 2002 (13 births)
Catilyn: Popularity Over Time
SSA records for Catilyn span from the 1980s to the 2000s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 51 babies were registered. Catilyn remains highly popular today, with recent registration numbers near its historical peak.
Catilyn by Decade
How has Catilyn 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.
Catilyn + Last Name Combinations
How many people share a full name with Catilyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Catilyn
Other first names starting with C with a similar number of bearers.
Catilyn: Questions and Answers
How many people in the U.S. are named Catilyn?
We estimate approximately 92 people named Catilyn 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 3,725,591 Americans share this first name.
Is Catilyn a common name?
Catilyn is classified as "Very Rare" and is more popular than 63.4% of all first names in the SSA database. A total of 94 births have been registered with this name since 1880.
When was Catilyn most popular?
Catilyn reached peak popularity in 2002, when 13 babies were given this name. The average age of a living person named Catilyn is approximately 27 years old, reflecting when the name was most commonly given.
Is Catilyn a female name?
Catilyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Catilyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Catilyn Smith, Catilyn Johnson, Catilyn 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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