Dagen is a rare boys' name that peaked in 2004 and has since faded.
Dagen is predominantly a boy name. It last appears in U.S. records in 2023. Dagen first appears in 1991 and peaked in 2004 (24 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2023 | 6 | 6 | — | #11,112 |
| 2022 | 8 | 8 | — | #9,171 |
| 2021 | 9 | 9 | — | #8,320 |
| 2020 | 10 | 10 | — | #7,632 |
| 2019 | 9 | 9 | — | #8,350 |
| 2018 | 7 | 7 | — | #9,887 |
| 2017 | 8 | 8 | — | #9,028 |
| 2016 | 5 | 5 | — | #12,592 |
| 2015 | 9 | 9 | — | #8,179 |
| 2014 | 11 | 11 | — | #7,165 |
| 2013 | 6 | 6 | — | #11,025 |
| 2012 | 15 | 15 | — | #5,772 |
| 2011 | 18 | 18 | — | #5,022 |
| 2010 | 15 | 15 | — | #5,797 |
| 2009 | 12 | 12 | — | #6,887 |
| 2008 | 20 | 20 | — | #4,754 |
| 2007 | 23 | 23 | #14,258 | #5,485 |
| 2006 | 23 | 23 | #13,931 | #5,353 |
| 2005 | 26 | 26 | #14,914 | #4,352 |
| 2004 | 31 | 31 | #13,080 | #3,754 |
| 2003 | 22 | 22 | — | #3,867 |
| 2002 | 21 | 21 | — | #3,938 |
| 2001 | 12 | 12 | — | #5,745 |
| 2000 | 15 | 15 | — | #4,828 |
| 1999 | 11 | 11 | — | #5,730 |
| 1998 | 11 | 11 | — | #5,549 |
| 1997 | 5 | — | — | #9,547 |
| 1996 | 10 | — | — | #5,615 |
| 1993 | 7 | — | — | #6,959 |
| 1991 | 5 | — | — | #8,443 |