Rosalyn Girl
How popular is Rosalyn?
#1,047 girl name in 2025
237 baby girls were named Rosalyn in the US in 2025, making it the 1047th most popular girl name.
Rosalyn popularity over time
| Rank in 2025 | #1,047 for girls (▼ 160 from 2024) |
|---|---|
| Babies in 2025 | 237 girls |
| 10-year trend | Steady (+6% babies vs 2015) |
| Earlier ranks | #1,135 in 2015, #847 in 2020 |
| Peak year | 1955 (422 girls) |
| Highest rank | #412 in 1952 |
| First recorded | 1899 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.2% in a class of 25 kids born in 2025 |
Rosalyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Roselyn family of names ranked #269 for girls in 2025 (#260 the year before), with 1,223 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Roselyn | 259 | 21% |
| Rosalyn | 237 | 19% |
| Roslyn | 151 | 12% |
| Roselynn | 146 | 12% |
| Rosalynn | 129 | 11% |
| Rosaline | 85 | 7% |
| Rozlyn | 33 | 3% |
| Roslynn | 35 | 3% |
| Rozlynn | 18 | 1% |
| Rozalyn | 12 | 1% |
| Roseline | 21 | 2% |
| Rosslyn | 7 | 1% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Rosalyn is most popular
Babies named Rosalyn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
Rosalyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1890s | 7 | #1,277 |
| 1900s | 100 | #890 |
| 1910s | 740 | #608 |
| 1920s | 1,669 | #505 |
| 1930s | 1,831 | #431 |
| 1940s | 2,580 | #444 |
| 1950s | 3,779 | #412 |
| 1960s | 2,808 | #529 |
| 1970s | 1,982 | #655 |
| 1980s | 1,552 | #790 |
| 1990s | 933 | #1,389 |
| 2000s | 1,192 | #1,454 |
| 2010s | 2,368 | #859 |
| 2020s | 1,737 | #832 |
Girl names about as popular as Rosalyn
Questions
- Is Rosalyn a boy or girl name?
- Rosalyn is mostly a girl name. Over the last 10 years, 100% of babies named Rosalyn were girls.
- How popular is the name Rosalyn?
- 237 baby girls were named Rosalyn in the US in 2025, making it the 1047th most popular girl name.
- When was Rosalyn most popular?
- Rosalyn peaked in 1955, when 422 girls were given the name. Its highest rank was #412 in 1952.
- How many people are named Rosalyn?
- 23,278 babies have been named Rosalyn in the US since 1880. We estimate about 17,303 of them are alive in 2026, with a median age of 51.
- Where is Rosalyn most popular?
- From 2021 to 2025, Rosalyn was most common in Wisconsin, at 0.4 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.