How Many People Are Named Brenan?
An estimated 816 people in the United States have the first name Brenan. It is almost exclusively a male name. The average bearer is 26 years old, and Brenan peaked in popularity in 2009 with 42 births that year.
Below you will find a full statistical profile of Brenan 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 Brenan paired with any surname.
Estimated Living Americans
816
About 1 in 420,042 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
26
years old
Peak Year
2009
42 births
Total Registered
833
since 1880
Gender Distribution for Brenan
Brenan is almost exclusively a male name. Out of 833 total births registered, 100.0% were male.
Brenan as a male name
Ranked #9,862 in 2021
7 male births in 2021
Peak: 2009 (42 births)
Brenan: Popularity Over Time
SSA records for Brenan span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 296 babies were registered. Brenan has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Brenan by Decade
How has Brenan 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.
Brenan by State
Birth registrations for Brenan span all 4 states and territories in the SSA database. The highest counts are in Texas, California, Illinois. The lowest are in Utah, Illinois, California. On average, about 6 Brenans were registered per state.
Brenan + Last Name Combinations
How many people share a full name with Brenan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Brenan
Other first names starting with B with a similar number of bearers.
Brenan: Questions and Answers
How many people in the U.S. are named Brenan?
We estimate approximately 816 people named Brenan 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 420,042 Americans share this first name.
Is Brenan a common name?
Brenan is classified as "Very Rare" and is more popular than 88.7% of all first names in the SSA database. A total of 833 births have been registered with this name since 1880.
When was Brenan most popular?
Brenan reached peak popularity in 2009, when 42 babies were given this name. The average age of a living person named Brenan is approximately 26 years old, reflecting when the name was most commonly given.
Is Brenan a male name?
Brenan is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Brenan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Brenan Smith, Brenan Johnson, Brenan 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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