Holding steady, #12,008 for boys today.
Popularity of Delwyn since 1917
Babies named Delwyn per year in U.S. Social Security records. Raw births topped out in 1959, but relative to how few babies were recorded back then, Delwyn's real moment was 1935.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1910s | 21 |
| 1920s | 71 |
| 1930s | 137 |
| 1940s | 150 |
| 1950s | 158 |
| 1960s | 123 |
| 1970s | 88 |
| 1980s | 71 |
| 1990s | 30 |
| 2000s | 37 |
| 2010s | 27 |
| 2020s | 5 |
Meaning & origin
Delwyn is a traditional Welsh name with a meaning rooted in fairness and brightness. First recorded in the U.S. in 1917, it reached its peak popularity in 1935, during the height of Welsh cultural pride in America. Today, it is exceedingly rare: in 2025, only about 1 in 341,615 newborns received the name, placing it at rank 12,008. Despite its decline, the name has remained in steady, minimal use, never experiencing a major revival. Its top states are not recorded, suggesting a very scattered distribution. Delwyn offers a distinctive choice for parents seeking a genuine Welsh name with a soft, melodic sound.
Delwyn is a Welsh name derived from the elements del, meaning 'fair' or 'bright,' and gwyn, meaning 'white,' 'blessed,' or 'holy.' It is a traditional Welsh masculine name, though it has occasionally been used for girls. The name was most popular in the early 20th century, particularly in Wales and among Welsh communities abroad, but has since declined in common use.
Nicknames & variants
Nicknames: Del, Wyn
Variants: Delwin
Sibling names for Delwyn
Names that share Delwyn's style, for a brother or sister.

