Decklan is a rare variant of Declan that peaked in 2018 and has grown less common since.
Decklan is a boy name. In 2025 it ranked #4,744 for boy births in the United States (and #10,027 across all names), given to 21 babies. Decklan first appears in 2001 and peaked in 2018 (52 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 21 | 21 | #4,744 |
| 2024 | 18 | 18 | #5,286 |
| 2023 | 13 | 13 | #6,625 |
| 2022 | 20 | 20 | #4,891 |
| 2021 | 33 | 33 | #3,439 |
| 2020 | 51 | 51 | #2,519 |
| 2019 | 51 | 51 | #2,560 |
| 2018 | 52 | 52 | #2,480 |
| 2017 | 44 | 44 | #2,768 |
| 2016 | 45 | 45 | #2,694 |
| 2015 | 39 | 39 | #2,980 |
| 2014 | 50 | 50 | #2,495 |
| 2013 | 39 | 39 | #2,904 |
| 2012 | 44 | 44 | #2,726 |
| 2011 | 38 | 38 | #3,009 |
| 2010 | 14 | 14 | #6,116 |
| 2009 | 9 | 9 | #8,459 |
| 2008 | 6 | 6 | #11,387 |
| 2005 | 5 | 5 | #11,865 |
| 2001 | 8 | 8 | #7,707 |