How Many People Are Named Lillyann?
An estimated 2,416 people in the United States have the first name Lillyann. It is almost exclusively a female name. The average bearer is 14 years old, and Lillyann peaked in popularity in 2011 with 182 births that year.
Below you will find a full statistical profile of Lillyann 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 Lillyann paired with any surname.
Key Insights
- Lillyann 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
2,416
About 1 in 141,869 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
14
years old
Peak Year
2011
182 births
Total Registered
2,440
since 1880
Gender Distribution for Lillyann
Lillyann is almost exclusively a female name. Out of 2,440 total births registered, 100.0% were female.
Lillyann as a female name
Ranked #3,243 in 2024
49 female births in 2024
Peak: 2011 (182 births)
Lillyann: Popularity Over Time
SSA records for Lillyann span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 1,374 babies were registered. Lillyann has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Lillyann by Decade
How has Lillyann 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.
Lillyann by State
Birth registrations for Lillyann span all 26 states and territories in the SSA database. The highest counts are in Texas, California, Florida. The lowest are in Idaho, West Virginia, Utah. On average, about 42 Lillyanns were registered per state.
Lillyann + Last Name Combinations
How many people share a full name with Lillyann as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lillyann
Other first names starting with L with a similar number of bearers.
Lillyann: Questions and Answers
How many people in the U.S. are named Lillyann?
We estimate approximately 2,416 people named Lillyann 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 141,869 Americans share this first name.
Is Lillyann a common name?
Lillyann is classified as "Rare" and is more popular than 94.4% of all first names in the SSA database. A total of 2,440 births have been registered with this name since 1880.
When was Lillyann most popular?
Lillyann reached peak popularity in 2011, when 182 babies were given this name. The average age of a living person named Lillyann is approximately 14 years old, reflecting when the name was most commonly given.
Is Lillyann a female name?
Lillyann is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lillyann Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lillyann Smith, Lillyann Johnson, Lillyann 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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