How Many People Are Named Lenny?
An estimated 7,809 people in the United States have the first name Lenny. It is predominantly male (92.4%). The average bearer is 39 years old, and Lenny peaked in popularity in 1960 with 209 births that year.
Below you will find a full statistical profile of Lenny 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 Lenny paired with any surname.
Estimated Living Americans
7,809
About 1 in 43,892 people in the U.S.
Rarity
Rare
Predicted Gender
Male
92.4% confidence
Average Age
39
years old
Peak Year
1960
209 births
Total Registered
8,845
since 1880
Gender Distribution for Lenny
Lenny is predominantly male (92.4%), though 675 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Lenny as a male name
Ranked #1,372 in 2024
137 male births in 2024
Peak: 1961 (199 births)
Lenny as a female name
Ranked #2,944 in 2024
56 female births in 2024
Peak: 2024 (56 births)
Lenny: Popularity Over Time
SSA records for Lenny span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1960s, when 1,558 babies were registered. While Lenny is less common than at its peak in the 1960s, it remains a well-established name with steady registrations.
Lenny by Decade
How has Lenny 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.
Lenny by State
Birth registrations for Lenny span all 29 states and territories in the SSA database. The highest counts are in New York, California, Texas. The lowest are in South Dakota, Arkansas, Oklahoma. On average, about 159 Lennys were registered per state.
Lenny + Last Name Combinations
How many people share a full name with Lenny as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lenny
Other first names starting with L with a similar number of bearers.
Lenny: Questions and Answers
How many people in the U.S. are named Lenny?
We estimate approximately 7,809 people named Lenny 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 43,892 Americans share this first name.
Is Lenny a common name?
Lenny is classified as "Rare" and is more popular than 97.3% of all first names in the SSA database. A total of 8,845 births have been registered with this name since 1880.
When was Lenny most popular?
Lenny reached peak popularity in 1960, when 209 babies were given this name. The average age of a living person named Lenny is approximately 39 years old, reflecting when the name was most commonly given.
Is Lenny a male name?
Lenny is predominantly male. 92.4% of people with this name are male. See the gender breakdown above for full details.
How many Lenny Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lenny Smith, Lenny Johnson, Lenny 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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