How Many People Are Named Ilona?
An estimated 2,321 people in the United States have the first name Ilona. It is almost exclusively a female name. The average bearer is 48 years old, and Ilona peaked in popularity in 1946 with 102 births that year.
Below you will find a full statistical profile of Ilona 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 Ilona paired with any surname.
Estimated Living Americans
2,321
About 1 in 147,675 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
48
years old
Peak Year
1946
102 births
Total Registered
3,293
since 1880
Gender Distribution for Ilona
Ilona is almost exclusively a female name. Out of 3,293 total births registered, 100.0% were female.
Ilona as a female name
Ranked #4,928 in 2024
27 female births in 2024
Peak: 1946 (102 births)
Ilona: Popularity Over Time
SSA records for Ilona span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1940s, when 738 babies were registered. Ilona has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Ilona by Decade
How has Ilona 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.
Ilona by State
Birth registrations for Ilona span all 12 states and territories in the SSA database. The highest counts are in New York, California, Pennsylvania. The lowest are in Florida, Massachusetts, Washington. On average, about 92 Ilonas were registered per state.
Ilona + Last Name Combinations
How many people share a full name with Ilona as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ilona
Other first names starting with I with a similar number of bearers.
Ilona: Questions and Answers
How many people in the U.S. are named Ilona?
We estimate approximately 2,321 people named Ilona 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 147,675 Americans share this first name.
Is Ilona a common name?
Ilona is classified as "Rare" and is more popular than 94.3% of all first names in the SSA database. A total of 3,293 births have been registered with this name since 1880.
When was Ilona most popular?
Ilona reached peak popularity in 1946, when 102 babies were given this name. The average age of a living person named Ilona is approximately 48 years old, reflecting when the name was most commonly given.
Is Ilona a female name?
Ilona is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ilona Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ilona Smith, Ilona Johnson, Ilona 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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