How Many People Are Named Gelsey?
An estimated 221 people in the United States have the first name Gelsey. It is almost exclusively a female name. The average bearer is 25 years old, and Gelsey peaked in popularity in 2002 with 19 births that year.
Below you will find a full statistical profile of Gelsey 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 Gelsey paired with any surname.
Estimated Living Americans
221
About 1 in 1,550,925 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
25
years old
Peak Year
2002
19 births
Total Registered
226
since 1880
Gender Distribution for Gelsey
Gelsey is almost exclusively a female name. Out of 226 total births registered, 100.0% were female.
Gelsey as a female name
Ranked #15,261 in 2013
6 female births in 2013
Peak: 2002 (19 births)
Gelsey: Popularity Over Time
SSA records for Gelsey span from the 1970s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 110 babies were registered. Gelsey has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Gelsey by Decade
How has Gelsey 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.
Gelsey by State
Gelsey + Last Name Combinations
How many people share a full name with Gelsey as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gelsey
Other first names starting with G with a similar number of bearers.
Gelsey: Questions and Answers
How many people in the U.S. are named Gelsey?
We estimate approximately 221 people named Gelsey 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 1,550,925 Americans share this first name.
Is Gelsey a common name?
Gelsey is classified as "Very Rare" and is more popular than 75.5% of all first names in the SSA database. A total of 226 births have been registered with this name since 1880.
When was Gelsey most popular?
Gelsey reached peak popularity in 2002, when 19 babies were given this name. The average age of a living person named Gelsey is approximately 25 years old, reflecting when the name was most commonly given.
Is Gelsey a female name?
Gelsey is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gelsey Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gelsey Smith, Gelsey Johnson, Gelsey 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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