How Many People Are Named Gwendlyn?
An estimated 323 people in the United States have the first name Gwendlyn. It is almost exclusively a female name. The average bearer is 65 years old, and Gwendlyn peaked in popularity in 1952 with 20 births that year.
Below you will find a full statistical profile of Gwendlyn 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 Gwendlyn paired with any surname.
Estimated Living Americans
323
About 1 in 1,061,159 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
65
years old
Peak Year
1952
20 births
Total Registered
498
since 1880
Gender Distribution for Gwendlyn
Gwendlyn is almost exclusively a female name. Out of 498 total births registered, 100.0% were female.
Gwendlyn as a female name
Ranked #16,349 in 2002
5 female births in 2002
Peak: 1952 (20 births)
Gwendlyn: Popularity Over Time
SSA records for Gwendlyn span from the 1920s to the 2000s, covering 8 decades of naming data. The most popular decade for this name was the 1950s, when 143 babies were registered. Gwendlyn has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Gwendlyn by Decade
How has Gwendlyn 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.
Gwendlyn by State
Gwendlyn + Last Name Combinations
How many people share a full name with Gwendlyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gwendlyn
Other first names starting with G with a similar number of bearers.
Gwendlyn: Questions and Answers
How many people in the U.S. are named Gwendlyn?
We estimate approximately 323 people named Gwendlyn 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 1,061,159 Americans share this first name.
Is Gwendlyn a common name?
Gwendlyn is classified as "Very Rare" and is more popular than 80% of all first names in the SSA database. A total of 498 births have been registered with this name since 1880.
When was Gwendlyn most popular?
Gwendlyn reached peak popularity in 1952, when 20 babies were given this name. The average age of a living person named Gwendlyn is approximately 65 years old, reflecting when the name was most commonly given.
Is Gwendlyn a female name?
Gwendlyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gwendlyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gwendlyn Smith, Gwendlyn Johnson, Gwendlyn 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.
Search for a full name combination
How Many of Me