Kaithlyn vs Kailey
Side-by-side comparison of Kaithlyn and Kailey - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Kaithlyn | Kailey |
| Current Rank | #12568 | #1285 |
| Total Births (all years) | 389 | 27,244 |
| Peak Year | 2002 | 2004 |
| Peak Year Births | 21 | 1,439 |
| Peak Decade | 2000s | 2000s |
| Gender | Girl | Girl |
| First Recorded Year | 1985 | 1970 |
Births by Decade
| Decade | Kaithlyn | Kailey |
| 1970s | - | 10 |
| 1980s | 18 | 1,006 |
| 1990s | 62 | 6,830 |
| 2000s | 170 | 11,836 |
| 2010s | 106 | 6,154 |
| 2020s | 33 | 1,408 |
Recent Annual Births (2014–present)
| Year | Kaithlyn | Kailey |
| 2014 | 17 | 664 |
| 2015 | 11 | 588 |
| 2016 | 8 | 507 |
| 2017 | 10 | 454 |
| 2018 | 5 | 427 |
| 2019 | 6 | 346 |
| 2020 | 6 | 322 |
| 2021 | 6 | 271 |
| 2022 | - | 256 |
| 2023 | 8 | 226 |
| 2024 | 7 | 180 |
| 2025 | 6 | 153 |