How Many People Are Named Gweneth?
An estimated 902 people in the United States have the first name Gweneth. It is almost exclusively a female name. The average bearer is 27 years old, and Gweneth peaked in popularity in 2008 with 52 births that year.
Below you will find a full statistical profile of Gweneth 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 Gweneth paired with any surname.
Estimated Living Americans
902
About 1 in 379,994 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
27
years old
Peak Year
2008
52 births
Total Registered
1,303
since 1880
Gender Distribution for Gweneth
Gweneth is almost exclusively a female name. Out of 1,303 total births registered, 100.0% were female.
Gweneth as a female name
Ranked #10,528 in 2024
9 female births in 2024
Peak: 2008 (52 births)
Gweneth: Popularity Over Time
SSA records for Gweneth span from the 1910s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 2000s, when 336 babies were registered. Gweneth has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Gweneth by Decade
How has Gweneth 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.
Gweneth by State
Birth registrations for Gweneth span all 4 states and territories in the SSA database. The highest counts are in California, Ohio, Illinois. The lowest are in Iowa, Illinois, Ohio. On average, about 24 Gweneths were registered per state.
Gweneth + Last Name Combinations
How many people share a full name with Gweneth as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gweneth
Other first names starting with G with a similar number of bearers.
Gweneth: Questions and Answers
How many people in the U.S. are named Gweneth?
We estimate approximately 902 people named Gweneth 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 379,994 Americans share this first name.
Is Gweneth a common name?
Gweneth is classified as "Very Rare" and is more popular than 89.4% of all first names in the SSA database. A total of 1,303 births have been registered with this name since 1880.
When was Gweneth most popular?
Gweneth reached peak popularity in 2008, when 52 babies were given this name. The average age of a living person named Gweneth is approximately 27 years old, reflecting when the name was most commonly given.
Is Gweneth a female name?
Gweneth is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gweneth Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gweneth Smith, Gweneth Johnson, Gweneth 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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