Sionna vs Siobhan
Side-by-side comparison of Sionna and Siobhan - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Sionna | Siobhan |
| Current Rank | Unranked | #1931 |
| Total Births (all years) | 62 | 7,399 |
| Peak Year | 2008 | 1980 |
| Peak Year Births | 7 | 282 |
| Peak Decade | 2000s | 1980s |
| Gender | Girl | Girl |
| First Recorded Year | 1994 | 1956 |
Births by Decade
| Decade | Sionna | Siobhan |
| 1950s | - | 265 |
| 1960s | - | 869 |
| 1970s | - | 996 |
| 1980s | - | 2,086 |
| 1990s | 5 | 1,334 |
| 2000s | 25 | 758 |
| 2010s | 20 | 548 |
| 2020s | 12 | 543 |
Recent Annual Births (2014–present)
| Year | Sionna | Siobhan |
| 2014 | 5 | 54 |
| 2015 | - | 56 |
| 2016 | - | 52 |
| 2017 | - | 33 |
| 2018 | 5 | 44 |
| 2019 | - | 47 |
| 2020 | 5 | 64 |
| 2021 | 7 | 100 |
| 2022 | - | 84 |
| 2023 | - | 102 |
| 2024 | - | 103 |
| 2025 | - | 90 |