How Many People Are Named Jailyn?
An estimated 5,722 people in the United States have the first name Jailyn. It is used for both genders, with 86.8% female. The average bearer is 18 years old, and Jailyn peaked in popularity in 2007 with 319 births that year.
Below you will find a full statistical profile of Jailyn 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 Jailyn paired with any surname.
Key Insights
- Jailyn is a modern name. With an average bearer age of just 18, it has gained most of its popularity in recent years.
Estimated Living Americans
5,722
About 1 in 59,901 people in the U.S.
Rarity
Rare
Predicted Gender
Female
86.8% confidence
Average Age
18
years old
Peak Year
2007
319 births
Total Registered
5,800
since 1880
Gender Distribution for Jailyn
Jailyn is predominantly female (86.8%), though 768 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Jailyn as a male name
Ranked #8,579 in 2024
9 male births in 2024
Peak: 2006 (59 births)
Jailyn as a female name
Ranked #1,925 in 2024
103 female births in 2024
Peak: 2007 (278 births)
Jailyn: Popularity Over Time
SSA records for Jailyn span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 2,877 babies were registered. Jailyn has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Jailyn by Decade
How has Jailyn 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.
Jailyn by State
Birth registrations for Jailyn span all 34 states and territories in the SSA database. The highest counts are in Texas, California, New York. The lowest are in West Virginia, Iowa, District of Columbia. On average, about 107 Jailyns were registered per state.
Jailyn + Last Name Combinations
How many people share a full name with Jailyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jailyn
Other first names starting with J with a similar number of bearers.
Jailyn: Questions and Answers
How many people in the U.S. are named Jailyn?
We estimate approximately 5,722 people named Jailyn 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 59,901 Americans share this first name.
Is Jailyn a common name?
Jailyn is classified as "Rare" and is more popular than 96.8% of all first names in the SSA database. A total of 5,800 births have been registered with this name since 1880.
When was Jailyn most popular?
Jailyn reached peak popularity in 2007, when 319 babies were given this name. The average age of a living person named Jailyn is approximately 18 years old, reflecting when the name was most commonly given.
Is Jailyn a female name?
Jailyn is predominantly female. 86.8% of people with this name are female. See the gender breakdown above for full details.
How many Jailyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jailyn Smith, Jailyn Johnson, Jailyn 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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