How Many People Are Named Lennyn?
An estimated 781 people in the United States have the first name Lennyn. It is used for both genders, with 85.4% female. The average bearer is 7 years old, and Lennyn peaked in popularity in 2024 with 115 births that year.
Below you will find a full statistical profile of Lennyn 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 Lennyn paired with any surname.
Estimated Living Americans
781
About 1 in 438,866 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
85.4% confidence
Average Age
7
years old
Peak Year
2024
115 births
Total Registered
786
since 1880
Gender Distribution for Lennyn
Lennyn is predominantly female (85.4%), though 115 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Lennyn as a male name
Ranked #13,384 in 2024
5 male births in 2024
Peak: 2009 (12 births)
Lennyn as a female name
Ranked #1,827 in 2024
110 female births in 2024
Peak: 2024 (110 births)
Lennyn: Popularity Over Time
SSA records for Lennyn span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2020s, when 457 babies were registered. Lennyn remains highly popular today, with recent registration numbers near its historical peak.
Lennyn by Decade
How has Lennyn 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.
Lennyn by State
Birth registrations for Lennyn span all 16 states and territories in the SSA database. The highest counts are in Utah, Michigan, Iowa. The lowest are in Pennsylvania, Oklahoma, Ohio. On average, about 10 Lennyns were registered per state.
Lennyn + Last Name Combinations
How many people share a full name with Lennyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lennyn
Other first names starting with L with a similar number of bearers.
Lennyn: Questions and Answers
How many people in the U.S. are named Lennyn?
We estimate approximately 781 people named Lennyn 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 438,866 Americans share this first name.
Is Lennyn a common name?
Lennyn is classified as "Very Rare" and is more popular than 88.4% of all first names in the SSA database. A total of 786 births have been registered with this name since 1880.
When was Lennyn most popular?
Lennyn reached peak popularity in 2024, when 115 babies were given this name. The average age of a living person named Lennyn is approximately 7 years old, reflecting when the name was most commonly given.
Is Lennyn a female name?
Lennyn is predominantly female. 85.4% of people with this name are female. See the gender breakdown above for full details.
How many Lennyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lennyn Smith, Lennyn Johnson, Lennyn 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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