How Many People Are Named Brien?
An estimated 3,181 people in the United States have the first name Brien. It is almost exclusively a male name. The average bearer is 48 years old, and Brien peaked in popularity in 1963 with 100 births that year.
Below you will find a full statistical profile of Brien as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Brien paired with any surname.
Estimated Living Americans
3,181
About 1 in 107,750 people in the U.S.
Rarity
Rare
Predicted Gender
Male
99.9% confidence
Average Age
48
years old
Peak Year
1963
100 births
Total Registered
3,586
since 1880
Gender Distribution for Brien
Brien is almost exclusively a male name. Out of 3,586 total births registered, 99.9% were male.
Brien as a male name
Ranked #11,107 in 2024
6 male births in 2024
Peak: 1963 (100 births)
Brien as a female name
Ranked #10,452 in 1983
5 female births in 1983
Peak: 1983 (5 births)
Brien: Popularity Over Time
SSA records for Brien span from the 1920s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 1960s, when 847 babies were registered. Brien has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Brien by Decade
How has Brien tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Brien by State
Birth registrations for Brien span all 21 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Virginia, Tennessee, Kentucky. On average, about 47 Briens were registered per state.
Brien + Last Name Combinations
How many people share a full name with Brien as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Brien
Other first names starting with B with a similar number of bearers.
Brien: Questions and Answers
How many people in the U.S. are named Brien?
We estimate approximately 3,181 people named Brien are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 107,750 Americans share this first name.
Is Brien a common name?
Brien is classified as "Rare" and is more popular than 95.3% of all first names in the SSA database. A total of 3,586 births have been registered with this name since 1880.
When was Brien most popular?
Brien reached peak popularity in 1963, when 100 babies were given this name. The average age of a living person named Brien is approximately 48 years old, reflecting when the name was most commonly given.
Is Brien a male name?
Brien is predominantly male. 99.9% of people with this name are male. See the gender breakdown above for full details.
How many Brien Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Brien Smith, Brien Johnson, Brien Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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