How Many People Are Named Lillion?
An estimated 37 people in the United States have the first name Lillion. It is almost exclusively a female name. The average bearer is 72 years old, and Lillion peaked in popularity in 1922 with 19 births that year.
Below you will find a full statistical profile of Lillion as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Lillion paired with any surname.
Key Insights
- With an average bearer age of 72, Lillion is a vintage name most associated with earlier generations. Most living bearers were born before 1964.
- Lillion is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
37
About 1 in 9,263,631 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
72
years old
Peak Year
1922
19 births
Total Registered
350
since 1880
Gender Distribution for Lillion
Lillion is almost exclusively a female name. Out of 350 total births registered, 100.0% were female.
Lillion as a female name
Ranked #13,744 in 2016
7 female births in 2016
Peak: 1922 (19 births)
Lillion: Popularity Over Time
SSA records for Lillion span from the 1900s to the 2010s, covering 7 decades of naming data. The most popular decade for this name was the 1920s, when 126 babies were registered. Lillion has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Lillion by Decade
How has Lillion 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.
Lillion by State
Lillion + Last Name Combinations
How many people share a full name with Lillion as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lillion
Other first names starting with L with a similar number of bearers.
Lillion: Questions and Answers
How many people in the U.S. are named Lillion?
We estimate approximately 37 people named Lillion 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 9,263,631 Americans share this first name.
Is Lillion a common name?
Lillion is classified as "Very Rare" and is more popular than 49.8% of all first names in the SSA database. A total of 350 births have been registered with this name since 1880.
When was Lillion most popular?
Lillion reached peak popularity in 1922, when 19 babies were given this name. The average age of a living person named Lillion is approximately 72 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Lillion was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Lillion a female name?
Lillion is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
Why can Lillion have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Lillion peaked in 1922, and the average living bearer is about 72 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Lillion Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lillion Smith, Lillion Johnson, Lillion 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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