How Many People Are Named Leonidas?
people named Leonidas are alive in the United States today (estimate)
About 1 in 35,414 people in the US has this name
Based on 10,281 babies named Leonidas in Social Security records from 1880 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
760 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Derived from Greek λεων (leon) meaning "lion" combined with the patronymic suffix ιδης (ides). Leonidas was a Spartan king of the 5th century BC who sacrificed his life and his army defending the pass of Thermopylae from the Persians. This was also the name of a 3rd-century saint and martyr, the father of Origen, from Alexandria.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
All of the babies given the name Leonidas in the records were boys.
👥 Age Distribution
The average person named Leonidas alive today is about 10 years old, and 94% are under 30. Half of them were between 3 and 11 in 2025.
📈 Popularity Over Time
Leonidas first appears in the records in 1880 and was given most often in 2022, to 760 babies. In 2025, 591 babies got the name.
Babies given the name each year, 1880 to 2025
🏆 Rank History
Leonidas has never been one of the 100 most popular boys' names. Its best rank was #421, in 2022. In 2025 it ranked #510.
| Boys | |
|---|---|
| Rank in 2025 | #510 |
| Best rank | #421 (2022) |
| Years in the top 100 | None |
| Rank in its biggest decade | #594 in the 2010s |
📍 State-Wise Distribution
People named Leonidas alive today, by the state where they were born (estimate; state records start in 1910).
More people named Leonidas were born in California than in any other state: about 1,308 of those alive today. Compared with the national rate in the same years, Leonidas was given 3.4 times as often in Hawaii, 1.9 times in Colorado and 1.8 times in New Mexico.
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