Leonidas
Greek, from leon, lion, with a patronymic ending, giving son of the lion. The Spartan king of the name commanded the defence at Thermopylae.
Leonidas in 2025
Leonidas was given to 591 babies in the United States in 2025, making it the 1,027th most popular name of the year. That is roughly one in every 5,610 babies born.
The history of Leonidas
Leonidas reached its highest point in 2022, when 760 babies were given the name, ranking 843rd that year.
Across the 146 years of records since 1880, 10,281 babies have been named Leonidas. Half of them were born before 2017, which places the name's centre of gravity with Generation Alpha.
Leonidas by decade
| Decade | Babies named Leonidas | Best rank |
|---|---|---|
| 1880s | 22 | 1,677 |
| 1890s | 26 | 1,859 |
| 1900s | 5 | 2,729 |
| 1910s | 128 | 2,898 |
| 1920s | 180 | 2,825 |
| 1930s | 108 | 3,713 |
| 1940s | 71 | 4,490 |
| 1950s | 83 | 5,594 |
| 1960s | 112 | 4,728 |
| 1970s | 134 | 5,441 |
| 1980s | 142 | 6,560 |
| 1990s | 135 | 8,213 |
| 2000s | 733 | 1,944 |
| 2010s | 4,479 | 1,002 |
| 2020s | 3,923 | 843 |
Where Leonidas is heading
Leonidas has risen 6% over the past decade, from 556 babies in 2015 to 591 in 2025.
Names like Leonidas
Names that rose and fell at the same time as Leonidas.