The baby name Dyllan appears in baby name data for the United States from 1991 to 2020. It was most popular in 1998 with 102 babies given the name.
In the later years of this period, Dyllan has become less common than it once was.
| Year | Count |
|---|---|
| 1991 | 24 |
| 1992 | 98 |
| 1993 | 69 |
| 1994 | 33 |
| 1995 | 54 |
| 1996 | 60 |
| 1997 | 58 |
| 1998 | 102 |
| 1999 | 94 |
| 2000 | 80 |
| 2001 | 97 |
| 2002 | 75 |
| 2003 | 87 |
| 2004 | 88 |
| 2005 | 92 |
| 2006 | 52 |
| 2007 | 76 |
| 2008 | 92 |
| 2009 | 61 |
| 2010 | 5 |
| 2010 | 71 |
| 2011 | 30 |
| 2012 | 42 |
| 2013 | 26 |
| 2014 | 30 |
| 2015 | 20 |
| 2016 | 12 |
| 2017 | 6 |
| 2020 | 5 |