The baby name Kadyn appears in baby name data for the United States from 2000 to 2024. It was most popular in 2009 with 265 babies given the name.
In the later years of this period, Kadyn has become less common than it once was.
| Year | Count |
|---|---|
| 2000 | 5 |
| 2002 | 5 |
| 2003 | 12 |
| 2003 | 63 |
| 2004 | 43 |
| 2004 | 100 |
| 2005 | 40 |
| 2005 | 200 |
| 2006 | 69 |
| 2006 | 185 |
| 2007 | 68 |
| 2007 | 195 |
| 2008 | 131 |
| 2008 | 255 |
| 2009 | 40 |
| 2009 | 265 |
| 2010 | 55 |
| 2010 | 221 |
| 2011 | 45 |
| 2011 | 164 |
| 2012 | 18 |
| 2012 | 177 |
| 2013 | 24 |
| 2013 | 118 |
| 2014 | 117 |
| 2015 | 117 |
| 2016 | 5 |
| 2016 | 42 |
| 2017 | 81 |
| 2018 | 79 |
| 2019 | 48 |
| 2020 | 5 |
| 2021 | 14 |
| 2023 | 23 |
| 2024 | 13 |