The baby name Kaidyn appears in baby name data for the United States from 2003 to 2024. It was most popular in 2014 with 198 babies given the name.
In the later years of this period, Kaidyn has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 2003 | 14 |
| 2004 | 10 |
| 2004 | 12 |
| 2005 | 24 |
| 2005 | 17 |
| 2006 | 17 |
| 2006 | 34 |
| 2007 | 16 |
| 2007 | 46 |
| 2008 | 77 |
| 2008 | 97 |
| 2009 | 38 |
| 2009 | 82 |
| 2010 | 64 |
| 2010 | 83 |
| 2011 | 83 |
| 2011 | 149 |
| 2012 | 32 |
| 2012 | 186 |
| 2013 | 29 |
| 2013 | 136 |
| 2014 | 34 |
| 2014 | 198 |
| 2015 | 18 |
| 2015 | 164 |
| 2016 | 5 |
| 2016 | 171 |
| 2017 | 5 |
| 2017 | 75 |
| 2018 | 95 |
| 2019 | 12 |
| 2019 | 125 |
| 2020 | 5 |
| 2020 | 73 |
| 2021 | 51 |
| 2022 | 82 |
| 2023 | 96 |
| 2024 | 48 |