How Many People Are Named Lillith?
An estimated 1,965 people in the United States have the first name Lillith. It is almost exclusively a female name. The average bearer is 12 years old, and Lillith peaked in popularity in 2014 with 113 births that year.
Below you will find a full statistical profile of Lillith 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 Lillith paired with any surname.
Key Insights
- Lillith is a modern name. With an average bearer age of just 12, it has gained most of its popularity in recent years.
Estimated Living Americans
1,965
About 1 in 174,430 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
12
years old
Peak Year
2014
113 births
Total Registered
1,994
since 1880
Gender Distribution for Lillith
Lillith is almost exclusively a female name. Out of 1,994 total births registered, 100.0% were female.
Lillith as a female name
Ranked #2,219 in 2024
85 female births in 2024
Peak: 2014 (113 births)
Lillith: Popularity Over Time
SSA records for Lillith span from the 1910s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2010s, when 953 babies were registered. While Lillith is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Lillith by Decade
How has Lillith 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.
Lillith by State
Birth registrations for Lillith span all 20 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in Georgia, Washington, Pennsylvania. On average, about 35 Lilliths were registered per state.
Lillith + Last Name Combinations
How many people share a full name with Lillith as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lillith
Other first names starting with L with a similar number of bearers.
Lillith: Questions and Answers
How many people in the U.S. are named Lillith?
We estimate approximately 1,965 people named Lillith 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 174,430 Americans share this first name.
Is Lillith a common name?
Lillith is classified as "Rare" and is more popular than 93.6% of all first names in the SSA database. A total of 1,994 births have been registered with this name since 1880.
When was Lillith most popular?
Lillith reached peak popularity in 2014, when 113 babies were given this name. The average age of a living person named Lillith is approximately 12 years old, reflecting when the name was most commonly given.
Is Lillith a female name?
Lillith is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lillith Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lillith Smith, Lillith Johnson, Lillith 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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