UK boy's name
Leonidas
A Greek masculine name derived from "leon" meaning lion.
For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.
Leonidas is a boy's name in the UK records. People looking for Leonidas popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #475, with 84 babies registered with the name. Its strongest year in the published records was 2021, with 97 births.
This profile covers 1,171 England and Wales registrations across 28 recorded years from 1997 to 2024. The figures come from ONS England and Wales and NRS Scotland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
The latest count is about 87% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 1,198 living people in the UK are called Leonidas. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.
Key insights
- • Leonidas ranked #475 for boys in England and Wales in 2024, with 84 registrations.
- • The name peaked in 2021, when 97 boys were registered as Leonidas.
- • Leonidas ranks best in Scotland in the latest published regional snapshot for that area, where it placed #727 in 2024.
- • About 1,198 living people in the UK are estimated to have Leonidas as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#475
2024
Births in 2024
84
Latest year
Peak year
2021
97 births
Estimated living
1,198
2026
Meaning
What does Leonidas mean?
The name Leonidas originates from the Greek language and culture, dating back to ancient times. It is derived from the Greek words "leon" meaning lion and "idas" which is a common ending used in Greek names. The name essentially translates to "son of the lion" or "lion-like."
Leonidas is perhaps most famously associated with Leonidas I, the legendary king of the ancient Greek city-state of Sparta. He is renowned for leading the Spartan army in the Battle of Thermopylae against the invading Persian forces in 480 BC. Despite being vastly outnumbered, Leonidas and his small contingent of Spartan warriors fiercely resisted the Persian army for several days, ultimately sacrificing their lives in the process. This act of bravery and resistance has become a symbol of courage and defiance in the face of overwhelming odds.
The name Leonidas can be traced back to ancient Greek literature and historical texts. It appears in the writings of the ancient Greek historian Herodotus, who documented the Persian Wars and the heroic stand of Leonidas and his Spartan warriors at Thermopylae. The name is also mentioned in various ancient Greek plays and poems, reflecting its cultural significance.
Beyond the famous Spartan king, other notable historical figures bearing the name Leonidas include Leonidas of Rhodes, a celebrated ancient Greek sculptor from the 1st century BC, known for his exceptional sculptures of the Laocoon Group and the Farnese Bull. Leonidas of Alexandria was a renowned ancient Greek poet and scholar who lived in the 3rd century BC and was part of the intellectual community at the Library of Alexandria.
In more recent times, Leonidas Holm was a Swedish-American painter and illustrator born in 1858, renowned for his landscape paintings and illustrations depicting the American West. Leonidas Merritt was an American naval officer and civil engineer born in 1870, who played a crucial role in the construction of the Panama Canal.
The name Leonidas has endured through the ages, carrying a rich cultural heritage and associations with bravery, courage, and artistic excellence. Its Greek origins and historical connections to figures like the legendary Spartan king have contributed to its enduring appeal and significance across various cultures and time periods.
Sourced from namecensus.com.
Popularity
Leonidas over time
The chart below shows babies named Leonidas registered in England and Wales in the years where the name appears in the published records, from 1997 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Leonidas, the clearest high point is 2021. The latest England and Wales figure is 84 births in 2024, compared with 97 at the peak.
Babies born per year
Decades
Leonidas by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Leonidas was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2020s | #449 | 448 | 5 |
| 2010s | #642 | 568 | 10 |
| 2000s | #1728 | 144 | 10 |
| 1990s | #2625 | 11 | 3 |
Geography
Where Leonidas is most common
The bars show the latest published local birth counts for Leonidas. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.
Leonidas ranks best in Scotland in the latest published regional snapshot for that area, where it placed #727 in 2024.
Across the UK
Leonidas in Scotland and Northern Ireland
Scotland (NRS)
#727 in 2024
9 years of NRS records, 34 total registered
Related
Names similar to Leonidas
- Luke 72,247
- Lewis 69,555
- Leo 63,249
- Liam 60,482
- Lucas 49,061
- Logan 40,771
- Louis 35,898
- Luca 30,323
- Louie 24,242
- Leon 22,308
- Levi 9,931
- Lee 7,861
FAQ
Leonidas: questions and answers
How popular is the name Leonidas in the UK right now?
In 2024, Leonidas was ranked #475 for boys in England and Wales, with 84 births registered.
When was Leonidas most popular?
The peak year on record was 2021, with 97 babies registered as Leonidas in England and Wales.
What is the meaning and origin of Leonidas?
A Greek masculine name derived from "leon" meaning lion.
How many people are called Leonidas in the UK?
A total of 1,171 babies have been registered as Leonidas across the 28 years of ONS England & Wales records shown here, plus 34 more in Scotland.
Where is Leonidas most common?
In the latest published local rankings, Leonidas ranks best in Scotland, where it placed #727 in 2024. The regional bars on this page use birth counts, so they also reflect the size of each region.
Which records is this page based on?
The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.