How Many People Are Named Gailyn?
An estimated 92 people in the United States have the first name Gailyn. It is almost exclusively a female name. The average bearer is 68 years old, and Gailyn peaked in popularity in 1952 with 11 births that year.
Below you will find a full statistical profile of Gailyn 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 Gailyn paired with any surname.
Key Insights
- With an average bearer age of 68, Gailyn is a vintage name most associated with earlier generations. Most living bearers were born before 1968.
- Gailyn is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
92
About 1 in 3,725,591 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
68
years old
Peak Year
1952
11 births
Total Registered
135
since 1880
Gender Distribution for Gailyn
Gailyn is almost exclusively a female name. Out of 135 total births registered, 100.0% were female.
Gailyn as a female name
Ranked #14,238 in 1993
5 female births in 1993
Peak: 1952 (11 births)
Gailyn: Popularity Over Time
SSA records for Gailyn span from the 1930s to the 1990s, covering 5 decades of naming data. The most popular decade for this name was the 1950s, when 64 babies were registered. Gailyn has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Gailyn by Decade
How has Gailyn 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.
Gailyn + Last Name Combinations
How many people share a full name with Gailyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gailyn
Other first names starting with G with a similar number of bearers.
Gailyn: Questions and Answers
How many people in the U.S. are named Gailyn?
We estimate approximately 92 people named Gailyn 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 3,725,591 Americans share this first name.
Is Gailyn a common name?
Gailyn is classified as "Very Rare" and is more popular than 63.4% of all first names in the SSA database. A total of 135 births have been registered with this name since 1880.
When was Gailyn most popular?
Gailyn reached peak popularity in 1952, when 11 babies were given this name. The average age of a living person named Gailyn is approximately 68 years old, reflecting when the name was most commonly given.
Is Gailyn a female name?
Gailyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Gailyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gailyn Smith, Gailyn Johnson, Gailyn 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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