How Many People Are Named Fionnuala Brown?
There are approximately 1 people named Fionnuala 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 Fionnuala 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 profileFionnuala
Last Name
View full profileBrown
Fionnuala: Popularity Over Time
Year-by-year SSA birth registrations for the first name Fionnuala. The peak year was 2010 with 12 births. The average person named Fionnuala today is 15 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 "Fionnuala" 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 Fionnuala
Other people with the surname Brown
Fionnuala Brown: Questions and Answers
How many people are named Fionnuala Brown?
We estimate approximately 1 people named Fionnuala Brown are alive in the United States today. The first name Fionnuala is shared by 156 Americans, and the surname Brown is shared by 1,636,337.
How rare is the name Fionnuala Brown?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Fionnuala is very rare and the surname Brown is very common.
Is Fionnuala a male or female name?
Fionnuala is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 2010 and the average bearer today is 15 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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