Dylann
- Gender
- Mostly girls
- Say it
- DIL-an
- Origin
- Welsh
- US rank, 2025
- #6,837 for girls
Dylann is a name of Welsh origin, meaning “great tide; sea”. In 2025 it ranked 6,837th for girls in the US (16 babies).
What does Dylann mean?
Welsh: variant of Dylan
“great tide; sea”
In the Mabinogion, Dylan ail Don is a sea-being who plunges into the sea as soon as he is baptised.
Is Dylann a girl's or a boy's name?
In recent years, Dylann has been given to girls and boys, mostly girls. In 2025, it was given to 16 girls and 6 boys in the US.
How popular is Dylann in the US?
- Rank in 2025
- 6,837th among girls
- Babies in 2025
- 16 about 1 in 100,000 girls
- Five-year trend
- Falling down 50% in five years
- Same name in a class
- under 1% chance among 15 girls
In 2025, 16 girls in the US were named Dylann, making it the 6,837th most popular name for girls. Five years earlier, in 2020, it was 4,167th. Its busiest year was 2016, with 56 girls. It first appears in the records in 1991. 6 boys were also named Dylann in 2025 (10,690th for boys).
Half of all the girls named Dylann in the US since 1880 were born between 2006 and 2017, the years shaded on the chart below.
In 2025, 426 girls in the US were given Dylann or a name that sounds the same. With every name's spellings counted this way, that ranks #674, up from #6,837 for this spelling alone.
In 2021, 71% of the babies named Dylann in the US were girls.
Dylann in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 16 | #6,837 |
| 2024 | 16 | #6,928 |
| 2023 | 21 | #5,747 |
| 2022 | 17 | #6,702 |
| 2021 | 27 | #4,829 |
| 2020 | 33 | #4,167 |
| 2019 | 33 | #4,259 |
| 2018 | 41 | #3,676 |
| 2017 | 51 | #3,145 |
| 2016 | 56 | #2,966 |
| 2015 | 47 | #3,389 |
| 2014 | 39 | #3,846 |
| 2013 | 40 | #3,776 |
| 2012 | 48 | #3,363 |
| 2011 | 43 | #3,602 |
| 2010 | 33 | #4,396 |
| 2009 | 38 | #4,012 |
| 2008 | 34 | #4,447 |
| 2007 | 27 | #5,227 |
| 2006 | 23 | #5,708 |
| 2005 | 24 | #5,261 |
| 2004 | 35 | #3,985 |
| 2003 | 40 | #3,528 |
| 2002 | 18 | #6,124 |
| 2001 | 14 | #7,311 |
| 2000 | 9 | #9,867 |
| 1999 | 7 | #11,378 |
| 1998 | 14 | #6,714 |
| 1997 | 13 | #6,839 |
| 1996 | 5 | #13,511 |
| 1995 | 5 | #13,380 |
| 1994 | 11 | #7,598 |
| 1993 | 12 | #7,031 |
| 1992 | 11 | #7,504 |
| 1991 | 5 | #13,139 |
Names like Dylann
Names given in the same years and the same naming tradition, with a similar sound.
Teagan, Brynn, Brynlee, Devyn, Braelynn, Brooklyn, Rowan, Reagan, Raelynn, Eden, Ocean, Londyn
Other spellings of Dylann
Names related to Dylann
More Welsh names
Owen, Winnie, Maddox, Morgan, Idris, Reese, Bowen, Griffin, Rhys, Gavin, Reece, Nia, Seren, Gwendolyn, Winifred, Meredith
Sources
Figures from Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Dylann: name meaning, origin and popularity”, https://www.nameling.co.uk/names/dylann, updated 20 October 2026.