How Many People Are Named Gailen?
An estimated 123 people in the United States have the first name Gailen. It is predominantly male (97.7%). The average bearer is 74 years old, and Gailen peaked in popularity in 1951 with 15 births that year.
Below you will find a full statistical profile of Gailen 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 Gailen paired with any surname.
Key Insights
- With an average bearer age of 74, Gailen is a vintage name most associated with earlier generations. Most living bearers were born before 1962.
Estimated Living Americans
123
About 1 in 2,786,621 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
97.7% confidence
Average Age
74
years old
Peak Year
1951
15 births
Total Registered
256
since 1880
Gender Distribution for Gailen
Gailen is predominantly male (97.7%), though 6 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Gailen as a male name
Ranked #9,492 in 1996
5 male births in 1996
Peak: 1949 (13 births)
Gailen as a female name
Ranked #5,040 in 1951
6 female births in 1951
Peak: 1951 (6 births)
Gailen: Popularity Over Time
SSA records for Gailen span from the 1910s to the 1990s, covering 7 decades of naming data. The most popular decade for this name was the 1940s, when 86 babies were registered. Gailen has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Gailen by Decade
How has Gailen 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.
Gailen + Last Name Combinations
How many people share a full name with Gailen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Gailen
Other first names starting with G with a similar number of bearers.
Gailen: Questions and Answers
How many people in the U.S. are named Gailen?
We estimate approximately 123 people named Gailen 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 2,786,621 Americans share this first name.
Is Gailen a common name?
Gailen is classified as "Very Rare" and is more popular than 67.5% of all first names in the SSA database. A total of 256 births have been registered with this name since 1880.
When was Gailen most popular?
Gailen reached peak popularity in 1951, when 15 babies were given this name. The average age of a living person named Gailen is approximately 74 years old, reflecting when the name was most commonly given.
Is Gailen a male name?
Gailen is predominantly male. 97.7% of people with this name are male. See the gender breakdown above for full details.
How many Gailen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Gailen Smith, Gailen Johnson, Gailen 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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