How Many People Are Named Gyneth?
An estimated 8 people in the United States have the first name Gyneth. It is almost exclusively a female name. The average bearer is 89 years old, and Gyneth peaked in popularity in 1920 with 13 births that year.
Below you will find a full statistical profile of Gyneth 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 Gyneth paired with any surname.
Key Insights
- With an average bearer age of 89, Gyneth is a vintage name most associated with earlier generations. Most living bearers were born before 1947.
- Gyneth is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
8
About 1 in 42,844,292 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
89
years old
Peak Year
1920
13 births
Total Registered
96
since 1880
Gender Distribution for Gyneth
Gyneth is almost exclusively a female name. Out of 96 total births registered, 100.0% were female.
Gyneth as a female name
Ranked #4,830 in 1944
5 female births in 1944
Peak: 1920 (13 births)
Gyneth: Popularity Over Time
SSA records for Gyneth span from the 1900s to the 1940s, covering 5 decades of naming data. The most popular decade for this name was the 1920s, when 48 babies were registered. Gyneth has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Gyneth by Decade
How has Gyneth 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.
Gyneth + Last Name Combinations
How many people share a full name with Gyneth as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gyneth
Other first names starting with G with a similar number of bearers.
Gyneth: Questions and Answers
How many people in the U.S. are named Gyneth?
We estimate approximately 8 people named Gyneth 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 42,844,292 Americans share this first name.
Is Gyneth a common name?
Gyneth is classified as "Very Rare" and is more popular than 24.6% of all first names in the SSA database. A total of 96 births have been registered with this name since 1880.
When was Gyneth most popular?
Gyneth reached peak popularity in 1920, when 13 babies were given this name. The average age of a living person named Gyneth is approximately 89 years old, reflecting when the name was most commonly given.
Is Gyneth a female name?
Gyneth is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gyneth Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gyneth Smith, Gyneth Johnson, Gyneth 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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