Dylann
Meaningsea · English form of Dylan
- US rank
- #6,838
- Syllables
- 2
- Peak
- #2,966 in 2016
16 babies were named Dylann in the US in 2025. It has dropped 2,669 places in five years.
Found on lists
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US births per million girls, 1991–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Dylann you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 100,000 baby girls born in the US in 2025 was named Dylann, 16 babies in all. In a typical school of 500 kids, your Dylann would very likely be the only one.
- HistoryDylann first shows up in US birth records in 1991, the first year at least 5 babies got it. It has been in use for 34 years since.
- Best yearIts best year was 2016, when it reached #2,966.
- Then vs nowDylann is 2.0× more common today than it was in 2000. In 2000 it was given to about 1 in 200,000 baby girls; in 2025, about 1 in 100,000.
- TrendDylann has slipped 2,669 places over the last five years and now sits at #6,838. Good news if you want a familiar name that fewer kids will share.
- Boy or girlDylann is given to both boys and girls: 73% of the 22 babies named Dylann in 2025 were girls. That makes it one of the names that truly works for either.
- MeaningDylann is an English form of Dylan, which means “sea”.
About the name Dylann
Dylann is a girl name of Welsh origin meaning “sea”. It has 6 letters and 2 syllables, starting with D and ending in “-ann”. US birth records list Dylann for girls from 1991 to 2025, in 35 of those 35 years. Its best year was 2016, when it ranked #2,966 among girl names. In 2025 it ranked #6,838, with 16 babies.
Origin:Welsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 5.2 | 193,548 girls |
| 2000s | 14 | 70,621 girls |
| 2010s | 25 | 40,634 girls |
| 2020s | 13 | 74,720 girls |
Other spellings of Dylann
More Welsh girl names
- Girl name: Cecilia · blind
- Unisex name: Reese · ardor, enthusiasm
- Girl name: Arianna · most holy
- Unisex name: Rowan · little red-haired one
- Unisex name: Morgan · possibly sea circle
- Girl name: Sabrina · River Severn
- Unisex name: Teagan · possibly poet
- Girl name: Gwendolyn · white ring
Questions about the name Dylann
What does the name Dylann mean?
Dylann means “sea” in English, as a form of Dylan.
What is the origin of the name Dylann?
Dylann has Welsh roots in our records. Other Welsh names include Cecilia, Reese, Arianna.
Is Dylann a boy or girl name?
Dylann is a girl name, though a few boys get it too.
How popular is the name Dylann?
Dylann ranked #6,838 for US girls in 2025, given to 16 babies. Its best year was 2016 (#2,966).