How Many People Are Named Rosario Brown?
There are approximately 56 people named Rosario Brown living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 6,120,613 Americans.
This estimate combines SSA birth records for the first name Rosario 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
56
1 in 6,120,613 Americans
Combination Rarity
Rare
First Name
View full profileRosario
Last Name
View full profileBrown
Rosario: Popularity Over Time
Year-by-year SSA birth registrations for the first name Rosario. The peak year was 1993 with 218 births. The average person named Rosario today is 43 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 "Rosario" 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 56 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Rosario
Other people with the surname Brown
Rosario Brown: Questions and Answers
How many people are named Rosario Brown?
We estimate approximately 56 people named Rosario Brown are alive in the United States today. The first name Rosario is shared by 11,482 Americans, and the surname Brown is shared by 1,636,337.
How rare is the name Rosario Brown?
This name combination is classified as Rare, occurring at a rate of about 1 in 6,120,613 Americans. The first name Rosario is uncommon and the surname Brown is very common.
Is Rosario a male or female name?
Rosario is predominantly female, with 33.9% of bearers being male and 66.1% female. It peaked in popularity in 1993 and the average bearer today is 43 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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