How Many People Are Named Jamilyn?
An estimated 628 people in the United States have the first name Jamilyn. It is almost exclusively a female name. The average bearer is 34 years old, and Jamilyn peaked in popularity in 1984 with 25 births that year.
Below you will find a full statistical profile of Jamilyn 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 Jamilyn paired with any surname.
Estimated Living Americans
628
About 1 in 545,787 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
34
years old
Peak Year
1984
25 births
Total Registered
661
since 1880
Gender Distribution for Jamilyn
Jamilyn is almost exclusively a female name. Out of 661 total births registered, 100.0% were female.
Jamilyn as a female name
Ranked #16,128 in 2020
5 female births in 2020
Peak: 1984 (25 births)
Jamilyn: Popularity Over Time
SSA records for Jamilyn span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1980s, when 181 babies were registered. Jamilyn has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Jamilyn by Decade
How has Jamilyn 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.
Jamilyn + Last Name Combinations
How many people share a full name with Jamilyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jamilyn
Other first names starting with J with a similar number of bearers.
Jamilyn: Questions and Answers
How many people in the U.S. are named Jamilyn?
We estimate approximately 628 people named Jamilyn 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 545,787 Americans share this first name.
Is Jamilyn a common name?
Jamilyn is classified as "Very Rare" and is more popular than 86.7% of all first names in the SSA database. A total of 661 births have been registered with this name since 1880.
When was Jamilyn most popular?
Jamilyn reached peak popularity in 1984, when 25 babies were given this name. The average age of a living person named Jamilyn is approximately 34 years old, reflecting when the name was most commonly given.
Is Jamilyn a female name?
Jamilyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Jamilyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jamilyn Smith, Jamilyn Johnson, Jamilyn 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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