How Many People Are Named Brennon?
An estimated 4,274 people in the United States have the first name Brennon. It is almost exclusively a male name. The average bearer is 25 years old, and Brennon peaked in popularity in 2009 with 189 births that year.
Below you will find a full statistical profile of Brennon 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 Brennon paired with any surname.
Estimated Living Americans
4,274
About 1 in 80,195 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
25
years old
Peak Year
2009
189 births
Total Registered
4,364
since 1880
Gender Distribution for Brennon
Brennon is almost exclusively a male name. Out of 4,364 total births registered, 100.0% were male.
Brennon as a male name
Ranked #3,692 in 2024
30 male births in 2024
Peak: 2009 (189 births)
Brennon: Popularity Over Time
SSA records for Brennon span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 1,485 babies were registered. Brennon has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Brennon by Decade
How has Brennon 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.
Brennon by State
Birth registrations for Brennon span all 31 states and territories in the SSA database. The highest counts are in Louisiana, Texas, California. The lowest are in Wisconsin, New Mexico, Minnesota. On average, about 66 Brennons were registered per state.
Brennon + Last Name Combinations
How many people share a full name with Brennon as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Brennon
Other first names starting with B with a similar number of bearers.
Brennon: Questions and Answers
How many people in the U.S. are named Brennon?
We estimate approximately 4,274 people named Brennon 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 80,195 Americans share this first name.
Is Brennon a common name?
Brennon is classified as "Rare" and is more popular than 96.2% of all first names in the SSA database. A total of 4,364 births have been registered with this name since 1880.
When was Brennon most popular?
Brennon reached peak popularity in 2009, when 189 babies were given this name. The average age of a living person named Brennon is approximately 25 years old, reflecting when the name was most commonly given.
Is Brennon a male name?
Brennon is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Brennon Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Brennon Smith, Brennon Johnson, Brennon 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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