Dalyn is a rare variant of Dallin that peaked in 2000 and has since faded.
Dalyn is predominantly a boy name. In 2025 it ranked #6,538 for boy births in the United States (and #13,724 across all names), given to 13 babies. Dalyn first appears in 1955 and peaked in 2002 (45 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 13 | 13 | — | #6,538 |
| 2024 | 9 | 9 | — | #8,469 |
| 2023 | 12 | 12 | — | #6,987 |
| 2022 | 12 | 12 | — | #6,910 |
| 2021 | 16 | 16 | — | #5,603 |
| 2020 | 28 | 28 | #13,842 | #4,452 |
| 2019 | 20 | 20 | — | #4,835 |
| 2018 | 24 | 24 | #16,260 | #4,967 |
| 2017 | 29 | 29 | #16,456 | #4,249 |
| 2016 | 25 | 25 | #13,239 | #5,177 |
| 2015 | 26 | 26 | #17,079 | #4,580 |
| 2014 | 19 | 19 | — | #4,918 |
| 2013 | 20 | 20 | — | #4,654 |
| 2012 | 27 | 27 | #13,834 | #4,728 |
| 2011 | 28 | 28 | #15,276 | #4,395 |
| 2010 | 33 | 33 | #13,809 | #3,915 |
| 2009 | 41 | 41 | #10,880 | #3,491 |
| 2008 | 44 | 44 | #12,878 | #3,172 |
| 2007 | 38 | 38 | #15,962 | #3,392 |
| 2006 | 55 | 55 | #9,430 | #2,706 |
| 2005 | 52 | 52 | #8,449 | #2,762 |
| 2004 | 55 | 55 | #10,085 | #2,462 |
| 2003 | 42 | 42 | #16,351 | #2,684 |
| 2002 | 56 | 56 | #8,993 | #2,305 |
| 2001 | 54 | 54 | #7,410 | #2,440 |
| 2000 | 58 | 58 | #6,273 | #2,343 |
| 1999 | 45 | 45 | #7,837 | #2,621 |
| 1998 | 43 | 43 | #8,129 | #2,608 |
| 1997 | 29 | — | #6,944 | #4,096 |
| 1996 | 36 | — | #7,246 | #3,045 |
| 1995 | 27 | — | #9,795 | #3,453 |
| 1994 | 37 | — | #8,271 | #2,703 |
| 1993 | 22 | — | #8,888 | #4,500 |
| 1992 | 28 | — | #10,749 | #3,130 |
| 1991 | 16 | — | #10,517 | #5,595 |
| 1990 | 16 | — | #8,646 | #6,552 |
| 1989 | 9 | — | — | #5,253 |
| 1988 | 7 | — | #9,498 | — |
| 1987 | 14 | — | #8,167 | #6,265 |
| 1986 | 10 | — | #6,708 | — |
| 1985 | 15 | — | #7,079 | #5,941 |
| 1984 | 7 | — | #8,358 | — |
| 1983 | 5 | — | #10,627 | — |
| 1982 | 7 | — | #8,417 | — |
| 1981 | 16 | — | #7,544 | #4,600 |
| 1978 | 15 | — | #6,043 | #5,989 |
| 1977 | 6 | — | #8,682 | — |
| 1976 | 6 | — | #8,374 | — |
| 1975 | 6 | — | #8,205 | — |
| 1973 | 6 | — | #7,615 | — |
| 1972 | 5 | — | #8,533 | — |
| 1971 | 5 | — | #8,591 | — |
| 1970 | 8 | — | #5,926 | — |
| 1967 | 6 | — | #6,167 | — |
| 1964 | 7 | — | #5,588 | — |
| 1963 | 5 | — | #6,790 | — |
| 1955 | 6 | — | #5,330 | — |