How Many People Are Named Ilissa?
An estimated 235 people in the United States have the first name Ilissa. It is almost exclusively a female name. The average bearer is 39 years old, and Ilissa peaked in popularity in 1989 with 22 births that year.
Below you will find a full statistical profile of Ilissa 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 Ilissa paired with any surname.
Estimated Living Americans
235
About 1 in 1,458,529 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
39
years old
Peak Year
1989
22 births
Total Registered
249
since 1880
Gender Distribution for Ilissa
Ilissa is almost exclusively a female name. Out of 249 total births registered, 100.0% were female.
Ilissa as a female name
Ranked #12,703 in 2002
7 female births in 2002
Peak: 1989 (22 births)
Ilissa: Popularity Over Time
SSA records for Ilissa span from the 1960s to the 2000s, covering 5 decades of naming data. The most popular decade for this name was the 1980s, when 102 babies were registered. Ilissa has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Ilissa by Decade
How has Ilissa 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.
Ilissa + Last Name Combinations
How many people share a full name with Ilissa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ilissa
Other first names starting with I with a similar number of bearers.
Ilissa: Questions and Answers
How many people in the U.S. are named Ilissa?
We estimate approximately 235 people named Ilissa 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 1,458,529 Americans share this first name.
Is Ilissa a common name?
Ilissa is classified as "Very Rare" and is more popular than 76.3% of all first names in the SSA database. A total of 249 births have been registered with this name since 1880.
When was Ilissa most popular?
Ilissa reached peak popularity in 1989, when 22 babies were given this name. The average age of a living person named Ilissa is approximately 39 years old, reflecting when the name was most commonly given.
Is Ilissa a female name?
Ilissa is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ilissa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ilissa Smith, Ilissa Johnson, Ilissa 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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