Total babies named Declyn (all years): 729
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 19 / #5087 / 0.001% |
| 2023 | 28 / #3911 / 0.002% |
| 2022 | 34 / #3425 / 0.002% |
| 2021 | 39 / #3086 / 0.002% |
| 2020 | 30 / #3590 / 0.002% |
| 2019 | 28 / #3820 / 0.002% |
| 2018 | 40 / #2958 / 0.002% |
| 2017 | 30 / #3606 / 0.002% |
| 2016 | 41 / #2895 / 0.002% |
| 2015 | 31 / #3533 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 30 / #3552 / 0.002% |
| 2013 | 27 / #3774 / 0.001% |
| 2012 | 18 / #5082 / 0.001% |
| 2011 | 19 / #4855 / 0.001% |
| 2010 | 12 / #6775 / 0.001% |
| 2009 | 7 / #10109 / 0.000% |
| 2007 | 6 / #11257 / 0.000% |
| 2004 | — |