How Many People Are Named Gwendlyon?
An estimated 47 people in the United States have the first name Gwendlyon. It is almost exclusively a female name. The average bearer is 73 years old, and Gwendlyon peaked in popularity in 1941 with 9 births that year.
Below you will find a full statistical profile of Gwendlyon 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 Gwendlyon paired with any surname.
Key Insights
- With an average bearer age of 73, Gwendlyon is a vintage name most associated with earlier generations. Most living bearers were born before 1963.
- Gwendlyon is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
47
About 1 in 7,292,645 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
73
years old
Peak Year
1941
9 births
Total Registered
78
since 1880
Gender Distribution for Gwendlyon
Gwendlyon is almost exclusively a female name. Out of 78 total births registered, 100.0% were female.
Gwendlyon as a female name
Ranked #6,124 in 1962
6 female births in 1962
Peak: 1941 (9 births)
Gwendlyon: Popularity Over Time
SSA records for Gwendlyon span from the 1940s to the 1960s, covering 3 decades of naming data. The most popular decade for this name was the 1940s, when 36 babies were registered. While Gwendlyon is less common than at its peak in the 1940s, it remains a well-established name with steady registrations.
Gwendlyon by Decade
How has Gwendlyon 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.
Gwendlyon by State
Gwendlyon + Last Name Combinations
How many people share a full name with Gwendlyon as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gwendlyon
Other first names starting with G with a similar number of bearers.
Gwendlyon: Questions and Answers
How many people in the U.S. are named Gwendlyon?
We estimate approximately 47 people named Gwendlyon 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 7,292,645 Americans share this first name.
Is Gwendlyon a common name?
Gwendlyon is classified as "Very Rare" and is more popular than 53.4% of all first names in the SSA database. A total of 78 births have been registered with this name since 1880.
When was Gwendlyon most popular?
Gwendlyon reached peak popularity in 1941, when 9 babies were given this name. The average age of a living person named Gwendlyon is approximately 73 years old, reflecting when the name was most commonly given.
Is Gwendlyon a female name?
Gwendlyon is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gwendlyon Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gwendlyon Smith, Gwendlyon Johnson, Gwendlyon 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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