How Many People Are Named Gwynneth?
An estimated 233 people in the United States have the first name Gwynneth. It is almost exclusively a female name. The average bearer is 26 years old, and Gwynneth peaked in popularity in 2001 with 16 births that year.
Below you will find a full statistical profile of Gwynneth 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 Gwynneth paired with any surname.
Estimated Living Americans
233
About 1 in 1,471,049 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
26
years old
Peak Year
2001
16 births
Total Registered
255
since 1880
Gender Distribution for Gwynneth
Gwynneth is almost exclusively a female name. Out of 255 total births registered, 100.0% were female.
Gwynneth as a female name
Ranked #14,096 in 2021
6 female births in 2021
Peak: 2001 (16 births)
Gwynneth: Popularity Over Time
SSA records for Gwynneth span from the 1930s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 107 babies were registered. Gwynneth has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Gwynneth by Decade
How has Gwynneth 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.
Gwynneth by State
Gwynneth + Last Name Combinations
How many people share a full name with Gwynneth as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gwynneth
Other first names starting with G with a similar number of bearers.
Gwynneth: Questions and Answers
How many people in the U.S. are named Gwynneth?
We estimate approximately 233 people named Gwynneth 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 1,471,049 Americans share this first name.
Is Gwynneth a common name?
Gwynneth is classified as "Very Rare" and is more popular than 76.2% of all first names in the SSA database. A total of 255 births have been registered with this name since 1880.
When was Gwynneth most popular?
Gwynneth reached peak popularity in 2001, when 16 babies were given this name. The average age of a living person named Gwynneth is approximately 26 years old, reflecting when the name was most commonly given.
Is Gwynneth a female name?
Gwynneth is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gwynneth Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gwynneth Smith, Gwynneth Johnson, Gwynneth 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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