How Many People Are Named Jyl?
An estimated 315 people in the United States have the first name Jyl. It is almost exclusively a female name. The average bearer is 59 years old, and Jyl peaked in popularity in 1954 with 80 births that year.
Below you will find a full statistical profile of Jyl 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 Jyl paired with any surname.
Estimated Living Americans
315
About 1 in 1,088,109 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
59
years old
Peak Year
1954
80 births
Total Registered
389
since 1880
Gender Distribution for Jyl
Jyl is almost exclusively a female name. Out of 389 total births registered, 100.0% were female.
Jyl as a female name
Ranked #14,155 in 1991
5 female births in 1991
Peak: 1954 (80 births)
Jyl: Popularity Over Time
SSA records for Jyl span from the 1940s to the 1990s, covering 6 decades of naming data. The most popular decade for this name was the 1950s, when 137 babies were registered. Jyl has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Jyl by Decade
How has Jyl 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.
Jyl by State
Birth registrations for Jyl span all 5 states and territories in the SSA database. The highest counts are in Michigan, Indiana, California. The lowest are in New York, Iowa, California. On average, about 6 Jyls were registered per state.
Jyl + Last Name Combinations
How many people share a full name with Jyl as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jyl
Other first names starting with J with a similar number of bearers.
Jyl: Questions and Answers
How many people in the U.S. are named Jyl?
We estimate approximately 315 people named Jyl 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 1,088,109 Americans share this first name.
Is Jyl a common name?
Jyl is classified as "Very Rare" and is more popular than 79.7% of all first names in the SSA database. A total of 389 births have been registered with this name since 1880.
When was Jyl most popular?
Jyl reached peak popularity in 1954, when 80 babies were given this name. The average age of a living person named Jyl is approximately 59 years old, reflecting when the name was most commonly given.
Is Jyl a female name?
Jyl is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Jyl Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jyl Smith, Jyl Johnson, Jyl 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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