Kiernan vs Kieran
Side-by-side comparison of Kiernan and Kieran - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Kiernan | Kieran |
| Current Rank | #3115 | #440 |
| Total Births (all years) | 1,761 | 17,613 |
| Peak Year | 2008 | 2025 |
| Peak Year Births | 77 | 817 |
| Peak Decade | 2000s | 2010s |
| Gender | Boy | Boy |
| First Recorded Year | 1957 | 1918 |
Births by Decade
| Decade | Kiernan | Kieran |
| 1910s | - | 8 |
| 1920s | - | 38 |
| 1930s | - | 48 |
| 1940s | - | 81 |
| 1950s | 5 | 222 |
| 1960s | 9 | 374 |
| 1970s | 20 | 415 |
| 1980s | 88 | 610 |
| 1990s | 338 | 2,177 |
| 2000s | 645 | 4,412 |
| 2010s | 449 | 5,282 |
| 2020s | 207 | 3,946 |
Recent Annual Births (2014–present)
| Year | Kiernan | Kieran |
| 2014 | 42 | 483 |
| 2015 | 40 | 560 |
| 2016 | 32 | 540 |
| 2017 | 54 | 567 |
| 2018 | 43 | 579 |
| 2019 | 29 | 581 |
| 2020 | 33 | 558 |
| 2021 | 41 | 598 |
| 2022 | 31 | 621 |
| 2023 | 29 | 636 |
| 2024 | 39 | 716 |
| 2025 | 34 | 817 |