How Many People Are Named Lillianne?
An estimated 1,284 people in the United States have the first name Lillianne. It is almost exclusively a female name. The average bearer is 16 years old, and Lillianne peaked in popularity in 2013 with 69 births that year.
Below you will find a full statistical profile of Lillianne 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 Lillianne paired with any surname.
Key Insights
- Lillianne is a modern name. With an average bearer age of just 16, it has gained most of its popularity in recent years.
Estimated Living Americans
1,284
About 1 in 266,943 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
16
years old
Peak Year
2013
69 births
Total Registered
1,309
since 1880
Gender Distribution for Lillianne
Lillianne is almost exclusively a female name. Out of 1,309 total births registered, 100.0% were female.
Lillianne as a female name
Ranked #4,076 in 2024
36 female births in 2024
Peak: 2013 (69 births)
Lillianne: Popularity Over Time
SSA records for Lillianne span from the 1920s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2010s, when 543 babies were registered. While Lillianne is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Lillianne by Decade
How has Lillianne 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.
Lillianne by State
Birth registrations for Lillianne span all 9 states and territories in the SSA database. The highest counts are in California, Ohio, Texas. The lowest are in Washington, Michigan, Illinois. On average, about 17 Lilliannes were registered per state.
Lillianne + Last Name Combinations
How many people share a full name with Lillianne as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lillianne
Other first names starting with L with a similar number of bearers.
Lillianne: Questions and Answers
How many people in the U.S. are named Lillianne?
We estimate approximately 1,284 people named Lillianne 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 266,943 Americans share this first name.
Is Lillianne a common name?
Lillianne is classified as "Rare" and is more popular than 91.6% of all first names in the SSA database. A total of 1,309 births have been registered with this name since 1880.
When was Lillianne most popular?
Lillianne reached peak popularity in 2013, when 69 babies were given this name. The average age of a living person named Lillianne is approximately 16 years old, reflecting when the name was most commonly given.
Is Lillianne a female name?
Lillianne is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lillianne Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lillianne Smith, Lillianne Johnson, Lillianne 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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