Dyllyn
- US rank
- Unranked
- Syllables
- 2
- Peak
- #9,581 in 2003
0 babies were named Dyllyn in the US in 2025.
Found on lists
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US births per million boys, 2003–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Dyllyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryDyllyn first shows up in US birth records in 2003, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2003, when it reached #9,581.
About the name Dyllyn
Dyllyn is a boy name of Welsh origin. It has 6 letters and 2 syllables, starting with D and ending in “-lyn”. US birth records list Dyllyn for boys only in 2003, the one year at least 5 babies got it. Its best year was 2003, when it ranked #9,581 among boy names. It hasn't been given to 5 or more US babies in a year since 2003, so today it's a genuinely rare choice.
Origin:Welsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 3.0 | 333,333 boys |
Other spellings of Dyllyn
More Welsh boy names
- Unisex name: Owen · well-born
- Unisex name: Dylan · great tide
- Unisex name: Rowan · little red-haired one
- Boy name: Arthur · possibly bear
- Unisex name: Kai · sea
- Boy name: Bryson · son of Brice
- Boy name: Evan · God is gracious
- Unisex name: Maddox · son of Madoc
Questions about the name Dyllyn
What is the origin of the name Dyllyn?
Dyllyn has Welsh roots in our records. Other Welsh names include Owen, Dylan, Rowan.
Is Dyllyn a boy or girl name?
Dyllyn is a boy name.
How popular is the name Dyllyn?
Dyllyn is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2003. It peaked at #9,581 in 2003.