Lenny
A diminutive form of the masculine name Leonard meaning "brave lion".
Name Census estimates that about 7,809 living Americans carry the first name Lenny. It is a predominantly male name (92.4% of registrations). The average person named Lenny today is around 39 years old, and the year with the single highest number of Lenny births was 1960 (209 babies).
This page is the full Name Census profile for Lenny. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
7.8K
~ 1 in 43,892 Americans
Peak year
1960
209 babies that year
Average age
39
years old
2024 SSA rank
#1,372
Tracked since 1914
Gender
Gender distribution for Lenny
Lenny leans heavily male at 92.4% of total registrations, but 675 girls have also been registered with the name over the years, giving it a small but present crossover presence.
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)
Popularity
Lenny: popularity over time
The SSA tracks Lenny from the 1910s through to the 2020s, spanning 12 decades of birth certificate data. The biggest single decade for the name was the 1960s, with 1,558 total registrations. Although the numbers have come down from the 1960s peak, Lenny remains solidly in use and shows no sign of disappearing from maternity wards.
Babies born per year
Decades
Lenny by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Lenny during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Lennys live
The SSA's state-level files cover 29 states and territories. New York, California, Texas recorded the most babies named Lenny, while South Dakota, Arkansas, Oklahoma recorded the fewest. The average across all reporting states is about 159 registrations each.
Origin
Meaning and history of Lenny
The name Lenny is a diminutive form of the given name Leonard, which has its origins in the Germanic languages. Leonard is derived from the elements "leun" meaning "lion" and "hart" meaning "brave" or "hardy." Together, the name can be interpreted to mean "brave as a lion" or "lion-hearted."
The name Leonard gained popularity during the Middle Ages, particularly in regions with Germanic influence, such as present-day Germany, Austria, and parts of France. It was often associated with strength, courage, and bravery, qualities admired in medieval times.
One of the earliest recorded instances of the name Leonard can be found in the 5th century, when a Frankish noble named Leonard of Noblac lived in what is now western France. He later became venerated as a saint in the Catholic Church, and his cult following contributed to the widespread use of the name across Europe.
During the medieval period, several notable figures bore the name Leonard. One example is Leonard of Pisa, an Italian mathematician and philosopher who lived in the 13th century and made significant contributions to the development of algebra.
In the Renaissance era, the name Leonard continued to be used, and several artists and intellectuals carried it. Leonard da Vinci (1452-1519), the famous Italian polymath, is perhaps the most renowned bearer of the name from this period.
Other notable individuals with the name Leonard include the Russian composer Leonard Bernstein (1918-1990), known for his works such as "West Side Story" and his contributions to classical music and conducting.
Leonard Cohen (1934-2016) was a Canadian singer-songwriter and poet, whose introspective and poetic lyrics earned him critical acclaim and a devoted following.
In the realm of literature, Leonard Woolf (1880-1969) was a British writer and publisher, best known as the husband of the renowned author Virginia Woolf.
Leonard Nimoy (1931-2015) was an American actor and director, who gained worldwide fame for his portrayal of the iconic character Spock in the "Star Trek" television series and films.
The diminutive form Lenny emerged as a familiar or affectionate version of the name Leonard, particularly in English-speaking countries. While the origins of the name can be traced back to the Germanic languages and medieval Europe, its diminutive form Lenny has become a distinct and widely recognized name in its own right.
Notable bearers
Famous people named Lenny
People
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.
Related
Other names starting with L
Other first names starting with L with a similar number of bearers.
FAQ
Lenny: questions and answers
How many people in the U.S. are named Lenny?
Name Census puts the figure at roughly 7,809 living Americans. We arrive at this by taking every SSA birth registration for Lenny going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 43,892 US residents.
Is Lenny a common name?
We classify Lenny as "Rare". It ranks above 97.3% of all first names in the SSA dataset by living bearers. Across the full history of the data, 8,845 babies have been registered with this name.
When was Lenny most popular?
The single biggest year for Lenny was 1960, when 209 babies received the name. The fact that the average living Lenny is about 39 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Lenny a male name?
Yes, 92.4% of people registered as Lenny in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.