Rio vs Riordan
Side-by-side comparison of Rio and Riordan - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Rio | Riordan |
| Current Rank | #517 | Unranked |
| Total Births (all years) | 5,530 | 297 |
| Peak Year | 2024 | 2013 |
| Peak Year Births | 593 | 18 |
| Peak Decade | 2020s | 2000s |
| Gender | Boy | Boy |
| First Recorded Year | 1920 | 1986 |
Births by Decade
| Decade | Rio | Riordan |
| 1920s | 10 | - |
| 1930s | 5 | - |
| 1950s | 10 | - |
| 1960s | 16 | - |
| 1970s | 97 | - |
| 1980s | 191 | 17 |
| 1990s | 411 | 37 |
| 2000s | 636 | 97 |
| 2010s | 1,246 | 97 |
| 2020s | 2,908 | 49 |
Recent Annual Births (2014–present)
| Year | Rio | Riordan |
| 2014 | 104 | 8 |
| 2015 | 103 | 10 |
| 2016 | 136 | 7 |
| 2017 | 132 | 6 |
| 2018 | 172 | 7 |
| 2019 | 193 | 9 |
| 2020 | 305 | 7 |
| 2021 | 403 | 8 |
| 2022 | 530 | 11 |
| 2023 | 514 | 11 |
| 2024 | 593 | - |
| 2025 | 563 | 12 |