Cailin vs Cailyn
Side-by-side comparison of Cailin and Cailyn - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Cailin | Cailyn |
| Current Rank | #7687 | #3297 |
| Total Births (all years) | 3,713 | 5,549 |
| Peak Year | 2003 | 2009 |
| Peak Year Births | 164 | 401 |
| Peak Decade | 2000s | 2000s |
| Gender | Girl | Girl |
| First Recorded Year | 1968 | 1979 |
Births by Decade
| Decade | Cailin | Cailyn |
| 1960s | 9 | - |
| 1970s | 53 | 5 |
| 1980s | 423 | 120 |
| 1990s | 1,079 | 857 |
| 2000s | 1,425 | 2,445 |
| 2010s | 604 | 1,791 |
| 2020s | 120 | 331 |
Recent Annual Births (2014–present)
| Year | Cailin | Cailyn |
| 2014 | 60 | 178 |
| 2015 | 50 | 177 |
| 2016 | 24 | 114 |
| 2017 | 29 | 87 |
| 2018 | 33 | 67 |
| 2019 | 29 | 70 |
| 2020 | 42 | 70 |
| 2021 | 20 | 55 |
| 2022 | 26 | 65 |
| 2023 | 11 | 53 |
| 2024 | 14 | 48 |
| 2025 | 7 | 40 |