Dilyn is a rare variant of Dillon that peaked in 2003 and has since faded.
Dilyn is predominantly a boy name. It last appears in U.S. records in 2024. Dilyn first appears in 1992 and peaked in 2001 (25 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2024 | 6 | 6 | #13,942 | — |
| 2022 | 8 | 8 | #11,479 | — |
| 2021 | 5 | 5 | #15,876 | — |
| 2019 | 8 | 8 | #11,641 | — |
| 2018 | 16 | 16 | #10,008 | #11,127 |
| 2017 | 13 | 13 | #8,414 | — |
| 2016 | 8 | 8 | #12,076 | — |
| 2015 | 9 | 9 | #11,148 | — |
| 2014 | 17 | 17 | #9,722 | #11,078 |
| 2013 | 24 | 24 | #8,717 | #7,154 |
| 2012 | 13 | 13 | #13,886 | #11,159 |
| 2011 | 17 | 17 | #15,361 | #7,126 |
| 2010 | 30 | 30 | #9,962 | #4,887 |
| 2009 | 26 | 26 | #9,552 | #6,182 |
| 2008 | 24 | 24 | #9,111 | #7,331 |
| 2007 | 23 | 23 | #11,061 | #6,353 |
| 2006 | 32 | 32 | #9,461 | #4,553 |
| 2005 | 23 | 23 | #8,475 | #7,257 |
| 2004 | 44 | 44 | #6,302 | #3,660 |
| 2003 | 46 | 46 | #5,131 | #3,876 |
| 2002 | 21 | 21 | #12,572 | #5,202 |
| 2001 | 25 | 25 | — | #3,438 |
| 2000 | 14 | 14 | — | #5,104 |
| 1999 | 23 | 23 | — | #3,406 |
| 1998 | 16 | 16 | #14,807 | #5,566 |
| 1997 | 11 | — | — | #5,376 |
| 1996 | 10 | — | — | #5,645 |
| 1995 | 10 | — | — | #5,602 |
| 1994 | 6 | — | — | #8,035 |
| 1993 | 5 | — | — | #9,122 |
| 1992 | 7 | — | — | #6,872 |