Guilio vs Guillermo
Side-by-side comparison of Guilio and Guillermo - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Guilio | Guillermo |
| Current Rank | Unranked | #831 |
| Total Births (all years) | 26 | 32,074 |
| Peak Year | 1927 | 1998 |
| Peak Year Births | 8 | 693 |
| Peak Decade | 1920s | 1990s |
| Gender | Boy | Boy |
| First Recorded Year | 1924 | 1885 |
Births by Decade
| Decade | Guilio | Guillermo |
| 1880s | - | 5 |
| 1890s | - | 13 |
| 1900s | - | 44 |
| 1910s | - | 253 |
| 1920s | 20 | 821 |
| 1930s | - | 783 |
| 1940s | 6 | 943 |
| 1950s | - | 1,495 |
| 1960s | - | 2,107 |
| 1970s | - | 3,357 |
| 1980s | - | 4,363 |
| 1990s | - | 6,462 |
| 2000s | - | 6,095 |
| 2010s | - | 3,615 |
| 2020s | - | 1,718 |
Recent Annual Births (2014–present)
| Year | Guilio | Guillermo |
| 2014 | - | 376 |
| 2015 | - | 389 |
| 2016 | - | 322 |
| 2017 | - | 289 |
| 2018 | - | 314 |
| 2019 | - | 320 |
| 2020 | - | 275 |
| 2021 | - | 299 |
| 2022 | - | 287 |
| 2023 | - | 294 |
| 2024 | - | 299 |
| 2025 | - | 264 |