How Many People Are Named Lylian?
An estimated 363 people in the United States have the first name Lylian. It is almost exclusively a female name. The average bearer is 15 years old, and Lylian peaked in popularity in 2006 with 28 births that year.
Below you will find a full statistical profile of Lylian 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 Lylian paired with any surname.
Estimated Living Americans
363
About 1 in 944,227 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
15
years old
Peak Year
2006
28 births
Total Registered
373
since 1880
Gender Distribution for Lylian
Lylian is almost exclusively a female name. Out of 373 total births registered, 100.0% were female.
Lylian as a female name
Ranked #11,695 in 2024
8 female births in 2024
Peak: 2006 (28 births)
Lylian: Popularity Over Time
SSA records for Lylian span from the 1910s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 168 babies were registered. Lylian has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Lylian by Decade
How has Lylian 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.
Lylian + Last Name Combinations
How many people share a full name with Lylian as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lylian
Other first names starting with L with a similar number of bearers.
Lylian: Questions and Answers
How many people in the U.S. are named Lylian?
We estimate approximately 363 people named Lylian 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 944,227 Americans share this first name.
Is Lylian a common name?
Lylian is classified as "Very Rare" and is more popular than 81.3% of all first names in the SSA database. A total of 373 births have been registered with this name since 1880.
When was Lylian most popular?
Lylian reached peak popularity in 2006, when 28 babies were given this name. The average age of a living person named Lylian is approximately 15 years old, reflecting when the name was most commonly given.
Is Lylian a female name?
Lylian is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lylian Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lylian Smith, Lylian Johnson, Lylian 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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