Ailleen vs Aileen
Side-by-side comparison of Ailleen and Aileen - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Ailleen | Aileen |
| Current Rank | Unranked | #720 |
| Total Births (all years) | 21 | 37,637 |
| Peak Year | 1925 | 2009 |
| Peak Year Births | 6 | 685 |
| Peak Decade | 1920s | 2000s |
| Gender | Girl | Girl |
| First Recorded Year | 1918 | 1880 |
Births by Decade
| Decade | Ailleen | Aileen |
| 1880s | - | 63 |
| 1890s | - | 332 |
| 1900s | - | 818 |
| 1910s | 5 | 2,831 |
| 1920s | 16 | 4,648 |
| 1930s | - | 2,157 |
| 1940s | - | 1,629 |
| 1950s | - | 1,957 |
| 1960s | - | 2,308 |
| 1970s | - | 1,781 |
| 1980s | - | 2,356 |
| 1990s | - | 3,258 |
| 2000s | - | 5,821 |
| 2010s | - | 5,355 |
| 2020s | - | 2,323 |
Recent Annual Births (2014–present)
| Year | Ailleen | Aileen |
| 2014 | - | 541 |
| 2015 | - | 609 |
| 2016 | - | 500 |
| 2017 | - | 456 |
| 2018 | - | 437 |
| 2019 | - | 452 |
| 2020 | - | 404 |
| 2021 | - | 429 |
| 2022 | - | 407 |
| 2023 | - | 352 |
| 2024 | - | 391 |
| 2025 | - | 340 |