How Many People Are Named Brandilyn?
An estimated 627 people in the United States have the first name Brandilyn. It is almost exclusively a female name. The average bearer is 39 years old, and Brandilyn peaked in popularity in 1979 with 38 births that year.
Below you will find a full statistical profile of Brandilyn 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 Brandilyn paired with any surname.
Estimated Living Americans
627
About 1 in 546,658 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
39
years old
Peak Year
1979
38 births
Total Registered
664
since 1880
Gender Distribution for Brandilyn
Brandilyn is almost exclusively a female name. Out of 664 total births registered, 100.0% were female.
Brandilyn as a female name
Ranked #15,281 in 2012
6 female births in 2012
Peak: 1979 (38 births)
Brandilyn: Popularity Over Time
SSA records for Brandilyn span from the 1970s to the 2010s, covering 5 decades of naming data. The most popular decade for this name was the 1980s, when 262 babies were registered. Brandilyn has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Brandilyn by Decade
How has Brandilyn 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.
Brandilyn by State
Brandilyn + Last Name Combinations
How many people share a full name with Brandilyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Brandilyn
Other first names starting with B with a similar number of bearers.
Brandilyn: Questions and Answers
How many people in the U.S. are named Brandilyn?
We estimate approximately 627 people named Brandilyn 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 546,658 Americans share this first name.
Is Brandilyn a common name?
Brandilyn is classified as "Very Rare" and is more popular than 86.6% of all first names in the SSA database. A total of 664 births have been registered with this name since 1880.
When was Brandilyn most popular?
Brandilyn reached peak popularity in 1979, when 38 babies were given this name. The average age of a living person named Brandilyn is approximately 39 years old, reflecting when the name was most commonly given.
Is Brandilyn a female name?
Brandilyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Brandilyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Brandilyn Smith, Brandilyn Johnson, Brandilyn 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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