How Many People Are Named Ilyse?
An estimated 339 people in the United States have the first name Ilyse. It is almost exclusively a female name. The average bearer is 46 years old, and Ilyse peaked in popularity in 1969 with 17 births that year.
Below you will find a full statistical profile of Ilyse 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 Ilyse paired with any surname.
Estimated Living Americans
339
About 1 in 1,011,075 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
46
years old
Peak Year
1969
17 births
Total Registered
385
since 1880
Gender Distribution for Ilyse
Ilyse is almost exclusively a female name. Out of 385 total births registered, 100.0% were female.
Ilyse as a female name
Ranked #12,625 in 2024
7 female births in 2024
Peak: 1969 (17 births)
Ilyse: Popularity Over Time
SSA records for Ilyse span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 1960s, when 112 babies were registered. Ilyse has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Ilyse by Decade
How has Ilyse 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.
Ilyse by State
Ilyse + Last Name Combinations
How many people share a full name with Ilyse as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ilyse
Other first names starting with I with a similar number of bearers.
Ilyse: Questions and Answers
How many people in the U.S. are named Ilyse?
We estimate approximately 339 people named Ilyse 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 1,011,075 Americans share this first name.
Is Ilyse a common name?
Ilyse is classified as "Very Rare" and is more popular than 80.5% of all first names in the SSA database. A total of 385 births have been registered with this name since 1880.
When was Ilyse most popular?
Ilyse reached peak popularity in 1969, when 17 babies were given this name. The average age of a living person named Ilyse is approximately 46 years old, reflecting when the name was most commonly given.
Is Ilyse a female name?
Ilyse is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ilyse Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ilyse Smith, Ilyse Johnson, Ilyse 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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