How Many People Are Named Lillianna?
An estimated 6,352 people in the United States have the first name Lillianna. It is almost exclusively a female name. The average bearer is 14 years old, and Lillianna peaked in popularity in 2011 with 403 births that year.
Below you will find a full statistical profile of Lillianna 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 Lillianna paired with any surname.
Key Insights
- Lillianna 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
6,352
About 1 in 53,960 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
14
years old
Peak Year
2011
403 births
Total Registered
6,417
since 1880
Gender Distribution for Lillianna
Lillianna is almost exclusively a female name. Out of 6,417 total births registered, 100.0% were female.
Lillianna as a female name
Ranked #1,550 in 2024
137 female births in 2024
Peak: 2011 (403 births)
Lillianna: Popularity Over Time
SSA records for Lillianna span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 3,290 babies were registered. Lillianna has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Lillianna by Decade
How has Lillianna 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.
Lillianna by State
Birth registrations for Lillianna span all 42 states and territories in the SSA database. The highest counts are in Texas, California, New York. The lowest are in South Dakota, Maine, Idaho. On average, about 115 Lilliannas were registered per state.
Lillianna + Last Name Combinations
How many people share a full name with Lillianna as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lillianna
Other first names starting with L with a similar number of bearers.
Lillianna: Questions and Answers
How many people in the U.S. are named Lillianna?
We estimate approximately 6,352 people named Lillianna 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 53,960 Americans share this first name.
Is Lillianna a common name?
Lillianna is classified as "Rare" and is more popular than 97% of all first names in the SSA database. A total of 6,417 births have been registered with this name since 1880.
When was Lillianna most popular?
Lillianna reached peak popularity in 2011, when 403 babies were given this name. The average age of a living person named Lillianna is approximately 14 years old, reflecting when the name was most commonly given.
Is Lillianna a female name?
Lillianna is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lillianna Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lillianna Smith, Lillianna Johnson, Lillianna 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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