How Many People Are Named Lilliann?
An estimated 1,205 people in the United States have the first name Lilliann. It is almost exclusively a female name. The average bearer is 14 years old, and Lilliann peaked in popularity in 2009 with 75 births that year.
Below you will find a full statistical profile of Lilliann 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 Lilliann paired with any surname.
Key Insights
- Lilliann is a modern name. With an average bearer age of just 14, it has gained most of its popularity in recent years.
Estimated Living Americans
1,205
About 1 in 284,443 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
14
years old
Peak Year
2009
75 births
Total Registered
1,219
since 1880
Gender Distribution for Lilliann
Lilliann is almost exclusively a female name. Out of 1,219 total births registered, 100.0% were female.
Lilliann as a female name
Ranked #3,604 in 2024
43 female births in 2024
Peak: 2009 (75 births)
Lilliann: Popularity Over Time
SSA records for Lilliann span from the 1950s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 554 babies were registered. While Lilliann is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Lilliann by Decade
How has Lilliann 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.
Lilliann by State
Birth registrations for Lilliann span all 9 states and territories in the SSA database. The highest counts are in Texas, Ohio, California. The lowest are in New York, Illinois, Arkansas. On average, about 22 Lillianns were registered per state.
Lilliann + Last Name Combinations
How many people share a full name with Lilliann as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lilliann
Other first names starting with L with a similar number of bearers.
Lilliann: Questions and Answers
How many people in the U.S. are named Lilliann?
We estimate approximately 1,205 people named Lilliann 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 284,443 Americans share this first name.
Is Lilliann a common name?
Lilliann is classified as "Rare" and is more popular than 91.3% of all first names in the SSA database. A total of 1,219 births have been registered with this name since 1880.
When was Lilliann most popular?
Lilliann reached peak popularity in 2009, when 75 babies were given this name. The average age of a living person named Lilliann is approximately 14 years old, reflecting when the name was most commonly given.
Is Lilliann a female name?
Lilliann is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lilliann Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lilliann Smith, Lilliann Johnson, Lilliann 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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