How Many People Are Named Lillyth?
An estimated 134 people in the United States have the first name Lillyth. It is almost exclusively a female name. The average bearer is 11 years old, and Lillyth peaked in popularity in 2014 with 14 births that year.
Below you will find a full statistical profile of Lillyth 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 Lillyth paired with any surname.
Estimated Living Americans
134
About 1 in 2,557,868 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
11
years old
Peak Year
2014
14 births
Total Registered
135
since 1880
Gender Distribution for Lillyth
Lillyth is almost exclusively a female name. Out of 135 total births registered, 100.0% were female.
Lillyth as a female name
Ranked #9,273 in 2024
11 female births in 2024
Peak: 2014 (14 births)
Lillyth: Popularity Over Time
SSA records for Lillyth span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 78 babies were registered. While Lillyth is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Lillyth by Decade
How has Lillyth 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.
Lillyth + Last Name Combinations
How many people share a full name with Lillyth as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lillyth
Other first names starting with L with a similar number of bearers.
Lillyth: Questions and Answers
How many people in the U.S. are named Lillyth?
We estimate approximately 134 people named Lillyth 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 2,557,868 Americans share this first name.
Is Lillyth a common name?
Lillyth is classified as "Very Rare" and is more popular than 68.7% of all first names in the SSA database. A total of 135 births have been registered with this name since 1880.
When was Lillyth most popular?
Lillyth reached peak popularity in 2014, when 14 babies were given this name. The average age of a living person named Lillyth is approximately 11 years old, reflecting when the name was most commonly given.
Is Lillyth a female name?
Lillyth is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lillyth Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lillyth Smith, Lillyth Johnson, Lillyth 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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