Siobhan vs Sion
Side-by-side comparison of Siobhan and Sion - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Siobhan | Sion |
| Current Rank | #1931 | #3615 |
| Total Births (all years) | 7,399 | 798 |
| Peak Year | 1980 | 2022 |
| Peak Year Births | 282 | 43 |
| Peak Decade | 1980s | 2010s |
| Gender | Girl | Boy |
| First Recorded Year | 1956 | 1912 |
Births by Decade
| Decade | Siobhan | Sion |
| 1910s | - | 5 |
| 1920s | - | 10 |
| 1940s | - | 5 |
| 1950s | 265 | - |
| 1960s | 869 | - |
| 1970s | 996 | 41 |
| 1980s | 2,086 | 24 |
| 1990s | 1,334 | 56 |
| 2000s | 758 | 187 |
| 2010s | 548 | 241 |
| 2020s | 543 | 229 |
Recent Annual Births (2014–present)
| Year | Siobhan | Sion |
| 2014 | 54 | 25 |
| 2015 | 56 | 22 |
| 2016 | 52 | 18 |
| 2017 | 33 | 18 |
| 2018 | 44 | 21 |
| 2019 | 47 | 38 |
| 2020 | 64 | 37 |
| 2021 | 100 | 33 |
| 2022 | 84 | 43 |
| 2023 | 102 | 43 |
| 2024 | 103 | 31 |
| 2025 | 90 | 42 |