How Many People Are Named Marycaroline Brown?
There are approximately 1 people named Marycaroline Brown living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Marycaroline 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
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileMarycaroline
Last Name
View full profileBrown
Marycaroline: Popularity Over Time
Year-by-year SSA birth registrations for the first name Marycaroline. The peak year was 1988 with 5 births. The average person named Marycaroline today is 36 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 "Marycaroline" 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 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Marycaroline
Other people with the surname Brown
Marycaroline Brown: Questions and Answers
How many people are named Marycaroline Brown?
We estimate approximately 1 people named Marycaroline Brown are alive in the United States today. The first name Marycaroline is shared by 5 Americans, and the surname Brown is shared by 1,669,762.
How rare is the name Marycaroline Brown?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Marycaroline is very rare and the surname Brown is very common.
Is Marycaroline a male or female name?
Marycaroline is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1988 and the average bearer today is 36 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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