How Many People Are Named Brenna?
An estimated 28,222 people in the United States have the first name Brenna. It is almost exclusively a female name. The average bearer is 28 years old, and Brenna peaked in popularity in 1995 with 1,212 births that year.
Below you will find a full statistical profile of Brenna 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 Brenna paired with any surname.
Estimated Living Americans
28,222
About 1 in 12,145 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
100.0% confidence
Average Age
28
years old
Peak Year
1995
1,212 births
Total Registered
29,263
since 1880
Gender Distribution for Brenna
Brenna is almost exclusively a female name. Out of 29,263 total births registered, 100.0% were female.
Brenna as a female name
Ranked #2,065 in 2024
93 female births in 2024
Peak: 1995 (1,212 births)
Brenna: Popularity Over Time
SSA records for Brenna span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 1990s, when 9,202 babies were registered. Brenna has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Brenna by Decade
How has Brenna 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.
Brenna by State
Birth registrations for Brenna span all 50 states and territories in the SSA database. The highest counts are in California, Texas, Pennsylvania. The lowest are in Vermont, Delaware, Wyoming. On average, about 524 Brennas were registered per state.
Brenna + Last Name Combinations
How many people share a full name with Brenna as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Brenna
Other first names starting with B with a similar number of bearers.
Brenna: Questions and Answers
How many people in the U.S. are named Brenna?
We estimate approximately 28,222 people named Brenna 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 12,145 Americans share this first name.
Is Brenna a common name?
Brenna is classified as "Uncommon" and is more popular than 98.8% of all first names in the SSA database. A total of 29,263 births have been registered with this name since 1880.
When was Brenna most popular?
Brenna reached peak popularity in 1995, when 1,212 babies were given this name. The average age of a living person named Brenna is approximately 28 years old, reflecting when the name was most commonly given.
Is Brenna a female name?
Brenna is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Brenna Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Brenna Smith, Brenna Johnson, Brenna 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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