How Many People Are Named Cayleen?
An estimated 86 people in the United States have the first name Cayleen. It is almost exclusively a female name. The average bearer is 21 years old, and Cayleen peaked in popularity in 2014 with 12 births that year.
Below you will find a full statistical profile of Cayleen 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 Cayleen paired with any surname.
Key Insights
- Cayleen is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
86
About 1 in 3,985,516 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
21
years old
Peak Year
2014
12 births
Total Registered
88
since 1880
Gender Distribution for Cayleen
Cayleen is almost exclusively a female name. Out of 88 total births registered, 100.0% were female.
Cayleen as a female name
Ranked #13,290 in 2015
7 female births in 2015
Peak: 2014 (12 births)
Cayleen: Popularity Over Time
SSA records for Cayleen span from the 1980s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 45 babies were registered. Cayleen remains highly popular today, with recent registration numbers near its historical peak.
Cayleen by Decade
How has Cayleen 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.
Cayleen + Last Name Combinations
How many people share a full name with Cayleen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cayleen
Other first names starting with C with a similar number of bearers.
Cayleen: Questions and Answers
How many people in the U.S. are named Cayleen?
We estimate approximately 86 people named Cayleen 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 3,985,516 Americans share this first name.
Is Cayleen a common name?
Cayleen is classified as "Very Rare" and is more popular than 62.4% of all first names in the SSA database. A total of 88 births have been registered with this name since 1880.
When was Cayleen most popular?
Cayleen reached peak popularity in 2014, when 12 babies were given this name. The average age of a living person named Cayleen is approximately 21 years old, reflecting when the name was most commonly given.
Is Cayleen a female name?
Cayleen is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cayleen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cayleen Smith, Cayleen Johnson, Cayleen 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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