How Many People Are Named Lliam?
An estimated 480 people in the United States have the first name Lliam. It is almost exclusively a male name. The average bearer is 13 years old, and Lliam peaked in popularity in 2013 with 41 births that year.
Below you will find a full statistical profile of Lliam 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 Lliam paired with any surname.
Estimated Living Americans
480
About 1 in 714,072 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
13
years old
Peak Year
2013
41 births
Total Registered
484
since 1880
Gender Distribution for Lliam
Lliam is almost exclusively a male name. Out of 484 total births registered, 100.0% were male.
Lliam as a male name
Ranked #5,154 in 2024
19 male births in 2024
Peak: 2013 (41 births)
Lliam: Popularity Over Time
SSA records for Lliam span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 264 babies were registered. Lliam has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Lliam by Decade
How has Lliam 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.
Lliam by State
Birth registrations for Lliam span all 5 states and territories in the SSA database. The highest counts are in New York, Florida, North Carolina. The lowest are in Texas, Tennessee, North Carolina. On average, about 6 Lliams were registered per state.
Lliam + Last Name Combinations
How many people share a full name with Lliam as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lliam
Other first names starting with L with a similar number of bearers.
Lliam: Questions and Answers
How many people in the U.S. are named Lliam?
We estimate approximately 480 people named Lliam 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 714,072 Americans share this first name.
Is Lliam a common name?
Lliam is classified as "Very Rare" and is more popular than 84.2% of all first names in the SSA database. A total of 484 births have been registered with this name since 1880.
When was Lliam most popular?
Lliam reached peak popularity in 2013, when 41 babies were given this name. The average age of a living person named Lliam is approximately 13 years old, reflecting when the name was most commonly given.
Is Lliam a male name?
Lliam is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Lliam Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lliam Smith, Lliam Johnson, Lliam 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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