Rosilyn
- US rank
- Unranked
- Syllables
- 3
- Peak
- #2,069 in 1949
0 babies were named Rosilyn in the US in 2025.
Found on lists
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US births per million girls, 1930–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Rosilyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryRosilyn first shows up in US birth records in 1930, the first year at least 5 babies got it. It has been in use for 95 years since.
- Best yearIts best year was 1949, when it reached #2,069.
About the name Rosilyn
Rosilyn is a girl name of Spanish origin. It has 7 letters and 3 syllables, starting with R and ending in “-lyn”. US birth records list Rosilyn for girls from 1930 to 2023, in 69 of those 94 years. Its best year was 1949, when it ranked #2,069 among girl names. It hasn't been given to 5 or more US babies in a year since 2023, so today it's a genuinely rare choice.
Origin:Spanish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1930s | 4.2 | 239,234 girls |
| 1940s | 6.7 | 150,376 girls |
| 1950s | 7.4 | 135,135 girls |
| 1960s | 6.9 | 144,092 girls |
| 1970s | 5.1 | 197,628 girls |
| 1980s | 1.3 | 746,269 girls |
| 1990s | 0.4 | 2,380,952 girls |
| 2000s | 1.2 | 819,672 girls |
| 2010s | 3.9 | 259,740 girls |
| 2020s | 5.3 | 190,476 girls |
Other spellings of Rosilyn
More Spanish girl names
- Girl name: Sofia · wisdom
- Girl name: Camila · temple attendant
- Girl name: Maya · illusion
- Girl name: Liliana · lily
- Girl name: Lucia · light
- Unisex name: Jade · jade gemstone
- Girl name: Gabriella · God is my strength
- Girl name: Catalina · possibly pure
Questions about the name Rosilyn
What is the origin of the name Rosilyn?
Rosilyn has Spanish roots in our records. Other Spanish names include Sofia, Camila, Maya.
Is Rosilyn a boy or girl name?
Rosilyn is a girl name.
How popular is the name Rosilyn?
Rosilyn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2023. It peaked at #2,069 in 1949.