How Many People Are Named Brennah?
An estimated 513 people in the United States have the first name Brennah. It is almost exclusively a female name. The average bearer is 23 years old, and Brennah peaked in popularity in 2001 with 41 births that year.
Below you will find a full statistical profile of Brennah 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 Brennah paired with any surname.
Estimated Living Americans
513
About 1 in 668,137 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
23
years old
Peak Year
2001
41 births
Total Registered
523
since 1880
Gender Distribution for Brennah
Brennah is almost exclusively a female name. Out of 523 total births registered, 100.0% were female.
Brennah as a female name
Ranked #14,117 in 2019
6 female births in 2019
Peak: 2001 (41 births)
Brennah: Popularity Over Time
SSA records for Brennah span from the 1990s to the 2010s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 236 babies were registered. While Brennah is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Brennah by Decade
How has Brennah 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.
Brennah by State
Birth registrations for Brennah span all 4 states and territories in the SSA database. The highest counts are in California, Ohio, Missouri. The lowest are in Pennsylvania, Missouri, Ohio. On average, about 6 Brennahs were registered per state.
Brennah + Last Name Combinations
How many people share a full name with Brennah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Brennah
Other first names starting with B with a similar number of bearers.
Brennah: Questions and Answers
How many people in the U.S. are named Brennah?
We estimate approximately 513 people named Brennah 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 668,137 Americans share this first name.
Is Brennah a common name?
Brennah is classified as "Very Rare" and is more popular than 84.8% of all first names in the SSA database. A total of 523 births have been registered with this name since 1880.
When was Brennah most popular?
Brennah reached peak popularity in 2001, when 41 babies were given this name. The average age of a living person named Brennah is approximately 23 years old, reflecting when the name was most commonly given.
Is Brennah a female name?
Brennah is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Brennah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Brennah Smith, Brennah Johnson, Brennah 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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