How Many People Are Named Josefine Brown?
There are approximately 3 people named Josefine Brown living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 114,251,446 Americans.
This estimate combines SSA birth records for the first name Josefine with Census Bureau frequency data for the surname Brown. Below you will find a breakdown of both names, including popularity trends, gender data, and Census background data where it is available.
Estimated People with This Name
3
1 in 114,251,446 Americans
Combination Rarity
Very Rare
First Name
View full profileJosefine
Last Name
View full profileBrown
Josefine: Popularity Over Time
Year-by-year SSA birth registrations for the first name Josefine. The peak year was 2021 with 26 births. The average person named Josefine today is 24 years old.
Ancestry of the First Name Josefine
In the 2020 Census, the first name Josefine was most commonly recorded among people who identified as White (47.11%). The next largest recorded groups were Hispanic (41.66%) and Asian and Pacific Islander (6.65%).
These percentages describe the people who had the first name Josefine in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.
Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how Josefine rose or fell over time.
Ancestry of the Brown Surname
The surname Brown was most commonly recorded among people who identified as White in the 2020 Census.
This is a self-reported race and ethnicity breakdown for people who had the surname Brown in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.
How we calculated this
The first name "Josefine" 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 463.73 per 100,000 people in the 2020 U.S. Census.
We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name Josefine are likely to be alive now.
Multiplying these frequencies against the U.S. population of ~343 million gives 3 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Josefine
Other people with the surname Brown
Josefine Brown: Questions and Answers
How many people are named Josefine Brown?
We estimate approximately 3 people named Josefine Brown are alive in the United States today. The first name Josefine is shared by 605 Americans, and the surname Brown is shared by 1,589,457.
How rare is the name Josefine Brown?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 114,251,446 Americans. The first name Josefine is very rare and the surname Brown is very common.
Is Josefine a male or female name?
Josefine is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 2021 and the average bearer today is 24 years old.
What does the Census say about the first name Josefine?
In the 2020 Census, the first name Josefine was most commonly recorded among people who identified as White (47.11%). The next largest recorded groups were Hispanic (41.66%) and Asian and Pacific Islander (6.65%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.
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. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.
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