Dilyn
- US rank
- Unranked
- Syllables
- 2
- Peak
- #3,376 in 1999
0 babies were named Dilyn in the US in 2025.
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US births per million boys, 1992–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Dilyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryDilyn first shows up in US birth records in 1992, the first year at least 5 babies got it. It has been in use for 33 years since.
- Best yearIts best year was 1999, when it reached #3,376.
About the name Dilyn
Dilyn is a boy name of Irish origin. It has 5 letters and 2 syllables, starting with D and ending in “-lyn”. US birth records list Dilyn for boys from 1992 to 2018, in 24 of those 27 years. Its best year was 1999, when it ranked #3,376 among boy names. It hasn't been given to 5 or more US babies in a year since 2018, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 5.4 | 184,758 boys |
| 2000s | 8.4 | 118,483 boys |
| 2010s | 3.5 | 289,389 boys |
Other spellings of Dilyn
More Irish boy names
- Boy name: Liam · resolute protector
- Unisex name: Owen · well-born
- Unisex name: Logan · little hollow
- Unisex name: Nolan · descendant of Nuallán
- Unisex name: Gael · a Gael
- Boy name: Arthur · possibly bear
- Unisex name: Ryan · little king
- Boy name: Dominic · of the Lord
Questions about the name Dilyn
What is the origin of the name Dilyn?
Dilyn has Irish roots in our records. Other Irish names include Liam, Owen, Logan.
Is Dilyn a boy or girl name?
Dilyn is a boy name.
How popular is the name Dilyn?
Dilyn is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2018. It peaked at #3,376 in 1999.