How Many People Are Named Jailine?
An estimated 397 people in the United States have the first name Jailine. It is almost exclusively a female name. The average bearer is 25 years old, and Jailine peaked in popularity in 1999 with 89 births that year.
Below you will find a full statistical profile of Jailine 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 Jailine paired with any surname.
Estimated Living Americans
397
About 1 in 863,361 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
25
years old
Peak Year
1999
89 births
Total Registered
405
since 1880
Gender Distribution for Jailine
Jailine is almost exclusively a female name. Out of 405 total births registered, 100.0% were female.
Jailine as a female name
Ranked #14,190 in 2021
6 female births in 2021
Peak: 1999 (89 births)
Jailine: Popularity Over Time
SSA records for Jailine span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 209 babies were registered. Jailine has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Jailine by Decade
How has Jailine 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.
Jailine by State
Birth registrations for Jailine span all 7 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Arizona, New Jersey, Florida. On average, about 28 Jailines were registered per state.
Jailine + Last Name Combinations
How many people share a full name with Jailine as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jailine
Other first names starting with J with a similar number of bearers.
Jailine: Questions and Answers
How many people in the U.S. are named Jailine?
We estimate approximately 397 people named Jailine 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 863,361 Americans share this first name.
Is Jailine a common name?
Jailine is classified as "Very Rare" and is more popular than 82.3% of all first names in the SSA database. A total of 405 births have been registered with this name since 1880.
When was Jailine most popular?
Jailine reached peak popularity in 1999, when 89 babies were given this name. The average age of a living person named Jailine is approximately 25 years old, reflecting when the name was most commonly given.
Is Jailine a female name?
Jailine is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Jailine Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jailine Smith, Jailine Johnson, Jailine 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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