Cilla vs Cillian
Side-by-side comparison of Cilla and Cillian - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Cilla | Cillian |
| Current Rank | Unranked | #463 |
| Total Births (all years) | 37 | 4,084 |
| Peak Year | 1907 | 2024 |
| Peak Year Births | 7 | 668 |
| Peak Decade | 1940s | 2020s |
| Gender | Girl | Boy |
| First Recorded Year | 1882 | 1995 |
Births by Decade
| Decade | Cilla | Cillian |
| 1880s | 5 | - |
| 1900s | 7 | - |
| 1910s | 5 | - |
| 1920s | 5 | - |
| 1940s | 10 | - |
| 1990s | - | 10 |
| 2000s | 5 | 208 |
| 2010s | - | 1,204 |
| 2020s | - | 2,662 |
Recent Annual Births (2014–present)
| Year | Cilla | Cillian |
| 2014 | - | 87 |
| 2015 | - | 121 |
| 2016 | - | 177 |
| 2017 | - | 170 |
| 2018 | - | 193 |
| 2019 | - | 186 |
| 2020 | - | 228 |
| 2021 | - | 341 |
| 2022 | - | 353 |
| 2023 | - | 477 |
| 2024 | - | 668 |
| 2025 | - | 595 |