How Many People Are Named Ilysa?
An estimated 16 people in the United States have the first name Ilysa. It is almost exclusively a female name. The average bearer is 47 years old, and Ilysa peaked in popularity in 1969 with 8 births that year.
Below you will find a full statistical profile of Ilysa 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 Ilysa paired with any surname.
Key Insights
- Ilysa is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
16
About 1 in 21,422,146 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
47
years old
Peak Year
1969
8 births
Total Registered
18
since 1880
Gender Distribution for Ilysa
Ilysa is almost exclusively a female name. Out of 18 total births registered, 100.0% were female.
Ilysa as a female name
Ranked #16,418 in 2002
5 female births in 2002
Peak: 1969 (8 births)
Ilysa: Popularity Over Time
SSA records for Ilysa span from the 1960s to the 2000s, covering 3 decades of naming data. The most popular decade for this name was the 1960s, when 8 babies were registered. While Ilysa is less common than at its peak in the 1960s, it remains a well-established name with steady registrations.
Ilysa by Decade
How has Ilysa 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.
Ilysa + Last Name Combinations
How many people share a full name with Ilysa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ilysa
Other first names starting with I with a similar number of bearers.
Ilysa: Questions and Answers
How many people in the U.S. are named Ilysa?
We estimate approximately 16 people named Ilysa 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 21,422,146 Americans share this first name.
Is Ilysa a common name?
Ilysa is classified as "Very Rare" and is more popular than 36.5% of all first names in the SSA database. A total of 18 births have been registered with this name since 1880.
When was Ilysa most popular?
Ilysa reached peak popularity in 1969, when 8 babies were given this name. The average age of a living person named Ilysa is approximately 47 years old, reflecting when the name was most commonly given.
Is Ilysa a female name?
Ilysa is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ilysa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ilysa Smith, Ilysa Johnson, Ilysa 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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