How Many People Are Named Gennesys?
An estimated 20 people in the United States have the first name Gennesys. It is almost exclusively a female name. The average bearer is 16 years old, and Gennesys peaked in popularity in 2009 with 9 births that year.
Below you will find a full statistical profile of Gennesys 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 Gennesys paired with any surname.
Key Insights
- Gennesys is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
20
About 1 in 17,137,717 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
16
years old
Peak Year
2009
9 births
Total Registered
20
since 1880
Gender Distribution for Gennesys
Gennesys is almost exclusively a female name. Out of 20 total births registered, 100.0% were female.
Gennesys as a female name
Ranked #15,611 in 2012
6 female births in 2012
Peak: 2009 (9 births)
Gennesys: Popularity Over Time
SSA records for Gennesys span from the 2000s to the 2010s, covering 2 decades of naming data. The most popular decade for this name was the 2010s, when 11 babies were registered. Gennesys remains highly popular today, with recent registration numbers near its historical peak.
Gennesys by Decade
How has Gennesys 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.
Gennesys + Last Name Combinations
How many people share a full name with Gennesys as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gennesys
Other first names starting with G with a similar number of bearers.
Gennesys: Questions and Answers
How many people in the U.S. are named Gennesys?
We estimate approximately 20 people named Gennesys 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 17,137,717 Americans share this first name.
Is Gennesys a common name?
Gennesys is classified as "Very Rare" and is more popular than 39.9% of all first names in the SSA database. A total of 20 births have been registered with this name since 1880.
When was Gennesys most popular?
Gennesys reached peak popularity in 2009, when 9 babies were given this name. The average age of a living person named Gennesys is approximately 16 years old, reflecting when the name was most commonly given.
Is Gennesys a female name?
Gennesys is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gennesys Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gennesys Smith, Gennesys Johnson, Gennesys 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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