Leonidas vs Leo
Side-by-side comparison of Leonidas and Leo - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Leonidas | Leo |
| Current Rank | #510 | #24 |
| Total Births (all years) | 10,281 | 259,988 |
| Peak Year | 2022 | 2022 |
| Peak Year Births | 760 | 8,293 |
| Peak Decade | 2010s | 2020s |
| Gender | Boy | Boy |
| First Recorded Year | 1880 | 1880 |
Births by Decade
| Decade | Leonidas | Leo |
| 1880s | 22 | 2,098 |
| 1890s | 26 | 4,691 |
| 1900s | 5 | 5,629 |
| 1910s | 128 | 26,656 |
| 1920s | 180 | 36,960 |
| 1930s | 108 | 22,864 |
| 1940s | 71 | 16,962 |
| 1950s | 83 | 15,536 |
| 1960s | 112 | 9,487 |
| 1970s | 134 | 5,365 |
| 1980s | 142 | 4,541 |
| 1990s | 135 | 4,738 |
| 2000s | 733 | 12,274 |
| 2010s | 4,479 | 44,706 |
| 2020s | 3,923 | 47,481 |
Recent Annual Births (2014–present)
| Year | Leonidas | Leo |
| 2014 | 494 | 3,976 |
| 2015 | 556 | 4,603 |
| 2016 | 593 | 5,299 |
| 2017 | 582 | 5,965 |
| 2018 | 569 | 6,773 |
| 2019 | 608 | 7,504 |
| 2020 | 649 | 7,229 |
| 2021 | 688 | 7,803 |
| 2022 | 760 | 8,293 |
| 2023 | 638 | 8,160 |
| 2024 | 597 | 7,823 |
| 2025 | 591 | 8,173 |