The baby name Kiernan appears in baby name data for the United States from 1969 to 2024. It was most popular in 2010 with 37 babies given the name.
Over the period shown, Kiernan has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1969 | 5 |
| 1993 | 6 |
| 1994 | 5 |
| 1995 | 12 |
| 1996 | 8 |
| 1997 | 8 |
| 1998 | 6 |
| 1999 | 16 |
| 2000 | 21 |
| 2001 | 9 |
| 2002 | 32 |
| 2003 | 27 |
| 2004 | 12 |
| 2005 | 30 |
| 2006 | 10 |
| 2007 | 23 |
| 2008 | 29 |
| 2009 | 20 |
| 2010 | 5 |
| 2010 | 37 |
| 2011 | 10 |
| 2013 | 5 |
| 2014 | 6 |
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 6 |
| 2017 | 18 |
| 2022 | 5 |
| 2024 | 10 |