How Many People Are Named Leonidas?
An estimated 9,095 people in the United States have the first name Leonidas. It is almost exclusively a male name. The average bearer is 12 years old, and Leonidas peaked in popularity in 2022 with 758 births that year.
Below you will find a full statistical profile of Leonidas 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 Leonidas paired with any surname.
Key Insights
- Leonidas is a modern name. With an average bearer age of just 12, it has gained most of its popularity in recent years.
Estimated Living Americans
9,095
About 1 in 37,686 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
12
years old
Peak Year
2022
758 births
Total Registered
9,686
since 1880
Gender Distribution for Leonidas
Leonidas is almost exclusively a male name. Out of 9,686 total births registered, 100.0% were male.
Leonidas as a male name
Ranked #508 in 2024
597 male births in 2024
Peak: 2022 (758 births)
Leonidas: Popularity Over Time
SSA records for Leonidas span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2010s, when 4,478 babies were registered. While Leonidas is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Leonidas by Decade
How has Leonidas 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.
Leonidas by State
Birth registrations for Leonidas span all 43 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in South Dakota, Montana, West Virginia. On average, about 178 Leonidass were registered per state.
Leonidas + Last Name Combinations
How many people share a full name with Leonidas as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Leonidas
Other first names starting with L with a similar number of bearers.
Leonidas: Questions and Answers
How many people in the U.S. are named Leonidas?
We estimate approximately 9,095 people named Leonidas 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 37,686 Americans share this first name.
Is Leonidas a common name?
Leonidas is classified as "Rare" and is more popular than 97.6% of all first names in the SSA database. A total of 9,686 births have been registered with this name since 1880.
When was Leonidas most popular?
Leonidas reached peak popularity in 2022, when 758 babies were given this name. The average age of a living person named Leonidas is approximately 12 years old, reflecting when the name was most commonly given.
Is Leonidas a male name?
Leonidas is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Leonidas Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Leonidas Smith, Leonidas Johnson, Leonidas 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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