The baby name Mackenna appears in baby name data for the United States from 1995 to 2023. It was most popular in 2008 with 172 babies given the name.
In the later years of this period, Mackenna has become less common than it once was.
| Year | Count |
|---|---|
| 1995 | 6 |
| 1996 | 19 |
| 1997 | 20 |
| 1998 | 74 |
| 1999 | 44 |
| 2000 | 76 |
| 2001 | 95 |
| 2002 | 86 |
| 2003 | 99 |
| 2004 | 106 |
| 2005 | 123 |
| 2006 | 156 |
| 2007 | 127 |
| 2008 | 172 |
| 2009 | 77 |
| 2010 | 162 |
| 2011 | 110 |
| 2012 | 102 |
| 2013 | 53 |
| 2014 | 40 |
| 2015 | 43 |
| 2016 | 54 |
| 2017 | 13 |
| 2018 | 34 |
| 2019 | 44 |
| 2020 | 5 |
| 2021 | 54 |
| 2022 | 5 |
| 2023 | 31 |