The baby name Brennon appears in baby name data for the United States from 1980 to 2021. It was most popular in 2009 with 166 babies given the name.
Over the period shown, Brennon has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1980 | 11 |
| 1984 | 5 |
| 1987 | 11 |
| 1990 | 16 |
| 1991 | 23 |
| 1992 | 57 |
| 1993 | 50 |
| 1994 | 49 |
| 1995 | 53 |
| 1996 | 87 |
| 1997 | 77 |
| 1998 | 102 |
| 1999 | 112 |
| 2000 | 99 |
| 2001 | 133 |
| 2002 | 82 |
| 2003 | 97 |
| 2004 | 48 |
| 2005 | 61 |
| 2006 | 110 |
| 2007 | 115 |
| 2008 | 158 |
| 2009 | 166 |
| 2010 | 160 |
| 2011 | 91 |
| 2012 | 82 |
| 2013 | 35 |
| 2014 | 45 |
| 2015 | 46 |
| 2016 | 16 |
| 2017 | 26 |
| 2019 | 6 |
| 2020 | 17 |
| 2021 | 28 |