How Many People Are Named Ilithia?
An estimated 5 people in the United States have the first name Ilithia. It is almost exclusively a female name. The average bearer is 15 years old, and Ilithia peaked in popularity in 2011 with 5 births that year.
Below you will find a full statistical profile of Ilithia 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 Ilithia paired with any surname.
Key Insights
- Ilithia is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
5
About 1 in 68,550,868 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
15
years old
Peak Year
2011
5 births
Total Registered
5
since 1880
Gender Distribution for Ilithia
Ilithia is almost exclusively a female name. Out of 5 total births registered, 100.0% were female.
Ilithia as a female name
Ranked #17,814 in 2011
5 female births in 2011
Peak: 2011 (5 births)
Ilithia: Popularity Over Time
Ilithia by Decade
How has Ilithia 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 2010s | 5 | 0 | 5 | |
Ilithia + Last Name Combinations
How many people share a full name with Ilithia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ilithia
Other first names starting with I with a similar number of bearers.
Ilithia: Questions and Answers
How many people in the U.S. are named Ilithia?
We estimate approximately 5 people named Ilithia 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 68,550,868 Americans share this first name.
Is Ilithia a common name?
Ilithia is classified as "Very Rare" and is more popular than 18.2% of all first names in the SSA database. A total of 5 births have been registered with this name since 1880.
When was Ilithia most popular?
Ilithia reached peak popularity in 2011, when 5 babies were given this name. The average age of a living person named Ilithia is approximately 15 years old, reflecting when the name was most commonly given.
Is Ilithia a female name?
Ilithia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ilithia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ilithia Smith, Ilithia Johnson, Ilithia 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.
Search for a full name combination
How Many of Me