How Many People Are Named Caitlynn?
An estimated 4,832 people in the United States have the first name Caitlynn. It is almost exclusively a female name. The average bearer is 24 years old, and Caitlynn peaked in popularity in 1998 with 297 births that year.
Below you will find a full statistical profile of Caitlynn 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 Caitlynn paired with any surname.
Estimated Living Americans
4,832
About 1 in 70,934 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
24
years old
Peak Year
1998
297 births
Total Registered
4,935
since 1880
Gender Distribution for Caitlynn
Caitlynn is almost exclusively a female name. Out of 4,935 total births registered, 100.0% were female.
Caitlynn as a female name
Ranked #7,638 in 2024
14 female births in 2024
Peak: 1998 (297 births)
Caitlynn: Popularity Over Time
SSA records for Caitlynn span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 2,050 babies were registered. Caitlynn has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Caitlynn by Decade
How has Caitlynn 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.
Caitlynn by State
Birth registrations for Caitlynn span all 37 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in Nevada, Idaho, Arkansas. On average, about 85 Caitlynns were registered per state.
Caitlynn + Last Name Combinations
How many people share a full name with Caitlynn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Caitlynn
Other first names starting with C with a similar number of bearers.
Caitlynn: Questions and Answers
How many people in the U.S. are named Caitlynn?
We estimate approximately 4,832 people named Caitlynn 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 70,934 Americans share this first name.
Is Caitlynn a common name?
Caitlynn is classified as "Rare" and is more popular than 96.5% of all first names in the SSA database. A total of 4,935 births have been registered with this name since 1880.
When was Caitlynn most popular?
Caitlynn reached peak popularity in 1998, when 297 babies were given this name. The average age of a living person named Caitlynn is approximately 24 years old, reflecting when the name was most commonly given.
Is Caitlynn a female name?
Caitlynn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Caitlynn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Caitlynn Smith, Caitlynn Johnson, Caitlynn 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.
Search for a full name combination