Kailly vs Kaitlyn
Side-by-side comparison of Kailly and Kaitlyn - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Kailly | Kaitlyn |
| Current Rank | Unranked | #650 |
| Total Births (all years) | 89 | 166,689 |
| Peak Year | 2009 | 2000 |
| Peak Year Births | 11 | 8,759 |
| Peak Decade | 2000s | 1990s |
| Gender | Girl | Girl |
| First Recorded Year | 1998 | 1971 |
Births by Decade
| Decade | Kailly | Kaitlyn |
| 1970s | - | 76 |
| 1980s | - | 10,890 |
| 1990s | 7 | 67,567 |
| 2000s | 60 | 66,909 |
| 2010s | 22 | 18,357 |
| 2020s | - | 2,890 |
Recent Annual Births (2014–present)
| Year | Kailly | Kaitlyn |
| 2014 | - | 2,060 |
| 2015 | - | 1,663 |
| 2016 | - | 999 |
| 2017 | - | 938 |
| 2018 | - | 805 |
| 2019 | - | 701 |
| 2020 | - | 624 |
| 2021 | - | 520 |
| 2022 | - | 470 |
| 2023 | - | 483 |
| 2024 | - | 453 |
| 2025 | - | 340 |