How Many People Are Named Cailyn Brown?
There are approximately 26 people named Cailyn Brown living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 13,182,859 Americans.
This estimate combines SSA birth records for the first name Cailyn with Census Bureau frequency data for the surname Brown. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
26
1 in 13,182,859 Americans
Combination Rarity
Rare
First Name
View full profileCailyn
Last Name
View full profileBrown
Cailyn: Popularity Over Time
Year-by-year SSA birth registrations for the first name Cailyn. The peak year was 2009 with 401 births. The average person named Cailyn today is 19 years old.
Ancestry of the Brown Surname
Self-reported race and ethnicity breakdown for people with the surname Brown, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Cailyn" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Brown" appears at a rate of 487.16 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 26 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Cailyn
Other people with the surname Brown
Cailyn Brown: Questions and Answers
How many people are named Cailyn Brown?
We estimate approximately 26 people named Cailyn Brown are alive in the United States today. The first name Cailyn is shared by 5,426 Americans, and the surname Brown is shared by 1,636,337.
How rare is the name Cailyn Brown?
This name combination is classified as Rare, occurring at a rate of about 1 in 13,182,859 Americans. The first name Cailyn is rare and the surname Brown is very common.
Is Cailyn a male or female name?
Cailyn is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 2009 and the average bearer today is 19 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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