How Many People Are Named Guinivere?
An estimated 22 people in the United States have the first name Guinivere. It is almost exclusively a female name. The average bearer is 17 years old, and Guinivere peaked in popularity in 2005 with 6 births that year.
Below you will find a full statistical profile of Guinivere 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 Guinivere paired with any surname.
Key Insights
- Guinivere is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
22
About 1 in 15,579,743 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
17
years old
Peak Year
2005
6 births
Total Registered
22
since 1880
Gender Distribution for Guinivere
Guinivere is almost exclusively a female name. Out of 22 total births registered, 100.0% were female.
Guinivere as a female name
Ranked #17,452 in 2014
5 female births in 2014
Peak: 2005 (6 births)
Guinivere: Popularity Over Time
SSA records for Guinivere span from the 2000s to the 2010s, covering 2 decades of naming data. The most popular decade for this name was the 2000s, when 17 babies were registered. Guinivere has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Guinivere by Decade
How has Guinivere 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.
Guinivere + Last Name Combinations
How many people share a full name with Guinivere as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Guinivere
Other first names starting with G with a similar number of bearers.
Guinivere: Questions and Answers
How many people in the U.S. are named Guinivere?
We estimate approximately 22 people named Guinivere 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 15,579,743 Americans share this first name.
Is Guinivere a common name?
Guinivere is classified as "Very Rare" and is more popular than 41.6% of all first names in the SSA database. A total of 22 births have been registered with this name since 1880.
When was Guinivere most popular?
Guinivere reached peak popularity in 2005, when 6 babies were given this name. The average age of a living person named Guinivere is approximately 17 years old, reflecting when the name was most commonly given.
Is Guinivere a female name?
Guinivere is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Guinivere Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Guinivere Smith, Guinivere Johnson, Guinivere 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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