How Many People Are Named Gwendelyn?
An estimated 357 people in the United States have the first name Gwendelyn. It is almost exclusively a female name. The average bearer is 34 years old, and Gwendelyn peaked in popularity in 2002 with 13 births that year.
Below you will find a full statistical profile of Gwendelyn 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 Gwendelyn paired with any surname.
Estimated Living Americans
357
About 1 in 960,096 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
34
years old
Peak Year
2002
13 births
Total Registered
394
since 1880
Gender Distribution for Gwendelyn
Gwendelyn is almost exclusively a female name. Out of 394 total births registered, 100.0% were female.
Gwendelyn as a female name
Ranked #16,012 in 2023
5 female births in 2023
Peak: 2002 (13 births)
Gwendelyn: Popularity Over Time
SSA records for Gwendelyn span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2010s, when 99 babies were registered. Gwendelyn has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Gwendelyn by Decade
How has Gwendelyn 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.
Gwendelyn + Last Name Combinations
How many people share a full name with Gwendelyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gwendelyn
Other first names starting with G with a similar number of bearers.
Gwendelyn: Questions and Answers
How many people in the U.S. are named Gwendelyn?
We estimate approximately 357 people named Gwendelyn 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 960,096 Americans share this first name.
Is Gwendelyn a common name?
Gwendelyn is classified as "Very Rare" and is more popular than 81.1% of all first names in the SSA database. A total of 394 births have been registered with this name since 1880.
When was Gwendelyn most popular?
Gwendelyn reached peak popularity in 2002, when 13 babies were given this name. The average age of a living person named Gwendelyn is approximately 34 years old, reflecting when the name was most commonly given.
Is Gwendelyn a female name?
Gwendelyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gwendelyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gwendelyn Smith, Gwendelyn Johnson, Gwendelyn 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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