How Many People Are Named Lennie?
An estimated 3,019 people in the United States have the first name Lennie. It is used for both genders, with 62.3% female. The average bearer is 57 years old, and Lennie peaked in popularity in 1921 with 147 births that year.
Below you will find a full statistical profile of Lennie 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 Lennie paired with any surname.
Key Insights
- Lennie is a genuinely unisex name, given to both boys and girls in roughly equal numbers.
Estimated Living Americans
3,019
About 1 in 113,532 people in the U.S.
Rarity
Rare
Predicted Gender
Female
62.3% confidence
Average Age
57
years old
Peak Year
1921
147 births
Total Registered
7,648
since 1880
Gender Distribution for Lennie
Lennie is a genuinely unisex name, used for both males (37.7%) and females (62.3%). Out of 7,648 total births registered, 2,882 were male and 4,766 were female.
Lennie as a male name
Ranked #11,744 in 2024
6 male births in 2024
Peak: 1957 (82 births)
Lennie as a female name
Ranked #3,137 in 2024
51 female births in 2024
Peak: 1915 (123 births)
Lennie: Popularity Over Time
SSA records for Lennie span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1910s, when 1,029 babies were registered. Lennie has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Lennie by Decade
How has Lennie 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.
Lennie by State
Birth registrations for Lennie span all 24 states and territories in the SSA database. The highest counts are in Texas, Alabama, Tennessee. The lowest are in Pennsylvania, Ohio, Nebraska. On average, about 73 Lennies were registered per state.
Lennie + Last Name Combinations
How many people share a full name with Lennie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lennie
Other first names starting with L with a similar number of bearers.
Lennie: Questions and Answers
How many people in the U.S. are named Lennie?
We estimate approximately 3,019 people named Lennie 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 113,532 Americans share this first name.
Is Lennie a common name?
Lennie is classified as "Rare" and is more popular than 95.2% of all first names in the SSA database. A total of 7,648 births have been registered with this name since 1880.
When was Lennie most popular?
Lennie reached peak popularity in 1921, when 147 babies were given this name. The average age of a living person named Lennie is approximately 57 years old, reflecting when the name was most commonly given.
Is Lennie a female name?
Lennie is predominantly female. 62.3% of people with this name are female. See the gender breakdown above for full details.
How many Lennie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lennie Smith, Lennie Johnson, Lennie 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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