So vs Sofia
Side-by-side comparison of So and Sofia - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | So | Sofia |
| Current Rank | Unranked | #9 |
| Total Births (all years) | 47 | 186,744 |
| Peak Year | 1993 | 2015 |
| Peak Year Births | 8 | 9,702 |
| Peak Decade | 1980s | 2010s |
| Gender | Girl | Girl |
| First Recorded Year | 1979 | 1881 |
Births by Decade
| Decade | So | Sofia |
| 1880s | - | 45 |
| 1890s | - | 113 |
| 1900s | - | 166 |
| 1910s | - | 429 |
| 1920s | - | 628 |
| 1930s | - | 454 |
| 1940s | - | 380 |
| 1950s | - | 515 |
| 1960s | - | 898 |
| 1970s | 7 | 1,576 |
| 1980s | 22 | 2,643 |
| 1990s | 18 | 7,827 |
| 2000s | - | 43,380 |
| 2010s | - | 82,402 |
| 2020s | - | 45,288 |
Recent Annual Births (2014–present)
| Year | So | Sofia |
| 2014 | - | 9,612 |
| 2015 | - | 9,702 |
| 2016 | - | 9,179 |
| 2017 | - | 8,175 |
| 2018 | - | 7,667 |
| 2019 | - | 7,402 |
| 2020 | - | 6,990 |
| 2021 | - | 6,983 |
| 2022 | - | 7,285 |
| 2023 | - | 7,665 |
| 2024 | - | 8,113 |
| 2025 | - | 8,252 |