How Many People Are Named Gwenneth?
An estimated 157 people in the United States have the first name Gwenneth. It is almost exclusively a female name. The average bearer is 24 years old, and Gwenneth peaked in popularity in 2006 with 10 births that year.
Below you will find a full statistical profile of Gwenneth 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 Gwenneth paired with any surname.
Estimated Living Americans
157
About 1 in 2,183,149 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
24
years old
Peak Year
2006
10 births
Total Registered
204
since 1880
Gender Distribution for Gwenneth
Gwenneth is almost exclusively a female name. Out of 204 total births registered, 100.0% were female.
Gwenneth as a female name
Ranked #14,178 in 2022
6 female births in 2022
Peak: 2006 (10 births)
Gwenneth: Popularity Over Time
SSA records for Gwenneth span from the 1920s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2010s, when 61 babies were registered. Gwenneth has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Gwenneth by Decade
How has Gwenneth 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.
Gwenneth + Last Name Combinations
How many people share a full name with Gwenneth as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gwenneth
Other first names starting with G with a similar number of bearers.
Gwenneth: Questions and Answers
How many people in the U.S. are named Gwenneth?
We estimate approximately 157 people named Gwenneth 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 2,183,149 Americans share this first name.
Is Gwenneth a common name?
Gwenneth is classified as "Very Rare" and is more popular than 70.9% of all first names in the SSA database. A total of 204 births have been registered with this name since 1880.
When was Gwenneth most popular?
Gwenneth reached peak popularity in 2006, when 10 babies were given this name. The average age of a living person named Gwenneth is approximately 24 years old, reflecting when the name was most commonly given.
Is Gwenneth a female name?
Gwenneth is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gwenneth Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gwenneth Smith, Gwenneth Johnson, Gwenneth 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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