How Many People Are Named Gwendalyn?
An estimated 1,110 people in the United States have the first name Gwendalyn. It is almost exclusively a female name. The average bearer is 27 years old, and Gwendalyn peaked in popularity in 2008 with 48 births that year.
Below you will find a full statistical profile of Gwendalyn 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 Gwendalyn paired with any surname.
Estimated Living Americans
1,110
About 1 in 308,788 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
27
years old
Peak Year
2008
48 births
Total Registered
1,190
since 1880
Gender Distribution for Gwendalyn
Gwendalyn is almost exclusively a female name. Out of 1,190 total births registered, 100.0% were female.
Gwendalyn as a female name
Ranked #4,684 in 2024
29 female births in 2024
Peak: 2008 (48 births)
Gwendalyn: Popularity Over Time
SSA records for Gwendalyn span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 342 babies were registered. While Gwendalyn is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Gwendalyn by Decade
How has Gwendalyn 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.
Gwendalyn by State
Birth registrations for Gwendalyn span all 7 states and territories in the SSA database. The highest counts are in California, Pennsylvania, Texas. The lowest are in Utah, Illinois, Arizona. On average, about 13 Gwendalyns were registered per state.
Gwendalyn + Last Name Combinations
How many people share a full name with Gwendalyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gwendalyn
Other first names starting with G with a similar number of bearers.
Gwendalyn: Questions and Answers
How many people in the U.S. are named Gwendalyn?
We estimate approximately 1,110 people named Gwendalyn 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 308,788 Americans share this first name.
Is Gwendalyn a common name?
Gwendalyn is classified as "Rare" and is more popular than 90.8% of all first names in the SSA database. A total of 1,190 births have been registered with this name since 1880.
When was Gwendalyn most popular?
Gwendalyn reached peak popularity in 2008, when 48 babies were given this name. The average age of a living person named Gwendalyn is approximately 27 years old, reflecting when the name was most commonly given.
Is Gwendalyn a female name?
Gwendalyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gwendalyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gwendalyn Smith, Gwendalyn Johnson, Gwendalyn 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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