Declining since 2020.
Popularity of Rosilyn since 1930
Babies named Rosilyn per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1930s | 45 |
| 1940s | 98 |
| 1950s | 141 |
| 1960s | 126 |
| 1970s | 77 |
| 1980s | 23 |
| 1990s | 8 |
| 2000s | 23 |
| 2010s | 67 |
| 2020s | 34 |
Meaning & origin
Rosilyn first appeared in U.S. birth records in 1930, a time when compound names ending in -lyn were gaining fashion. It reached its peak popularity in 1949, when the name was used most frequently among newborns in that decade. Since the 2020s, however, its trajectory has been falling, and it has not ranked in the national top 1000 in recent years. While Rosilyn has been used in scattered states, it has never concentrated strongly in any single region. The name remains a rare but recognizable choice, evoking the mid-century charm of names like Rosalyn and Marilyn.
Rosilyn is a modern coinage blending the popular flower name Rose with the suffix -lyn, a variant of -line or -linn, itself derived from the Germanic element lind 'soft, tender'. It may also be a respelling of Rosalind, which comes from the Germanic name Rosalinde, composed of hros 'horse' and lind 'shield', later conflated with Latin rosa. The name saw modest use in the mid-20th century, peaking in 1949, but has since declined.
Nicknames & variants
Nicknames: Rosie, Rose, Rosi
Sibling names for Rosilyn
Names that share Rosilyn's style, for a brother or sister.
