Caidyn is a rare variant of Caden that peaked in 2011 and has grown less common since.
Caidyn is predominantly a boy name. In 2025 it ranked #4,420 for boy births in the United States (and #9,443 across all names), given to 23 babies. Caidyn first appears in 1999 and peaked in 2011 (64 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 23 | 23 | — | #4,420 |
| 2024 | 30 | 30 | #15,719 | #4,216 |
| 2023 | 35 | 35 | #11,370 | #4,019 |
| 2022 | 31 | 31 | #15,741 | #4,109 |
| 2021 | 22 | 22 | #13,797 | #5,599 |
| 2020 | 35 | 35 | #10,422 | #3,939 |
| 2019 | 45 | 45 | #11,564 | #3,148 |
| 2018 | 54 | 54 | #9,281 | #2,805 |
| 2017 | 43 | 43 | #10,855 | #3,319 |
| 2016 | 44 | 44 | #8,993 | #3,452 |
| 2015 | 51 | 51 | #8,551 | #3,032 |
| 2014 | 54 | 54 | #10,284 | #2,715 |
| 2013 | 70 | 70 | #5,348 | #2,628 |
| 2012 | 85 | 85 | #5,938 | #2,137 |
| 2011 | 95 | 95 | #4,592 | #2,081 |
| 2010 | 78 | 78 | #5,131 | #2,433 |
| 2009 | 89 | 89 | #4,385 | #2,352 |
| 2008 | 81 | 81 | #4,023 | #2,834 |
| 2007 | 64 | 64 | #4,490 | #3,455 |
| 2006 | 62 | 62 | #6,174 | #2,788 |
| 2005 | 51 | 51 | #4,393 | #4,343 |
| 2004 | 58 | 58 | #4,010 | #3,880 |
| 2003 | 30 | 30 | #6,940 | #5,306 |
| 2002 | 12 | 12 | #8,385 | — |
| 2001 | 10 | 10 | #15,768 | #10,798 |
| 2000 | 13 | 13 | #10,898 | #10,587 |
| 1999 | 5 | 5 | #14,778 | — |