How Many People Are Named Brennen?
An estimated 9,028 people in the United States have the first name Brennen. It is predominantly male (98.1%). The average bearer is 24 years old, and Brennen peaked in popularity in 2009 with 464 births that year.
Below you will find a full statistical profile of Brennen 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 Brennen paired with any surname.
Key Insights
- While Brennen is overwhelmingly male, 178 female births have been registered with this name since 1880.
Estimated Living Americans
9,028
About 1 in 37,966 people in the U.S.
Rarity
Rare
Predicted Gender
Male
98.1% confidence
Average Age
24
years old
Peak Year
2009
464 births
Total Registered
9,196
since 1880
Gender Distribution for Brennen
Brennen is predominantly male (98.1%), though 178 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Brennen as a male name
Ranked #3,606 in 2024
31 male births in 2024
Peak: 2009 (455 births)
Brennen as a female name
Ranked #17,005 in 2014
5 female births in 2014
Peak: 2007 (17 births)
Brennen: Popularity Over Time
SSA records for Brennen span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2000s, when 3,744 babies were registered. Brennen has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Brennen by Decade
How has Brennen 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.
Brennen by State
Birth registrations for Brennen span all 40 states and territories in the SSA database. The highest counts are in California, Ohio, Texas. The lowest are in Nevada, Connecticut, Hawaii. On average, about 167 Brennens were registered per state.
Brennen + Last Name Combinations
How many people share a full name with Brennen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Brennen
Other first names starting with B with a similar number of bearers.
Brennen: Questions and Answers
How many people in the U.S. are named Brennen?
We estimate approximately 9,028 people named Brennen 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 37,966 Americans share this first name.
Is Brennen a common name?
Brennen is classified as "Rare" and is more popular than 97.6% of all first names in the SSA database. A total of 9,196 births have been registered with this name since 1880.
When was Brennen most popular?
Brennen reached peak popularity in 2009, when 464 babies were given this name. The average age of a living person named Brennen is approximately 24 years old, reflecting when the name was most commonly given.
Is Brennen a male name?
Brennen is predominantly male. 98.1% of people with this name are male. See the gender breakdown above for full details.
How many Brennen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Brennen Smith, Brennen Johnson, Brennen 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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