Rosalyn
Rosalyn was the 1051st most popular name for girls in 2025, given to 237 babies. Its best year was 1952, when it ranked 413th; the most babies were born in 1955 (422). Over the last ten years it has moved up 87 places. More babies were named Rosalyn in the 1950s than in any other decade.
Meaning variant of Rosaline · English, Germanic
Say it RAHZ-uh-lin /ˈɹɑzəlɪn/
- Rank in 2025
- #1,051 girls, down 202 places since 2020
- Babies in 2025
- 237girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 1955422 babies
- Total since 1880
- 23,278babies recorded
What does the name Rosalyn mean?
Rosalyn is listed by Wiktionary as a variant of Rosaline (Rosalind), a Germanic name from hros 'horse' and lind 'soft, tender', later reinterpreted as related to Rose. The -lyn spelling matches 20th-century American names such as Marilyn and Carolyn, and many parents treat it as Rose + Lynn. Rosalynn Carter, wife of President Jimmy Carter, used a similar spelling.
hros (Old High German, “horse”)lind (Old High German, “soft, tender”)
How sure is this? Probable.
Related names: Rosalind, Rosalynn, Roselyn, Rosalina.
See also: Germanic names, names that mean an animal.
Sources for this meaning
- Wiktionary, entry 'Rosalyn', Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
- Wiktionary, entry 'Rosalind', Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
- US Social Security Administration, national baby-name data 1880-2025 (our computation), SSA (public domain)
Nicknames for Rosalyn
The usual nicknames for Rosalyn are Roz and Rosie. Some parents skip the long form: for every 100 girls named Rosalyn in the last five years, 304 were named Rosie, against 105 twenty years earlier.
| Nickname | Kind | Rank 2025 | Girls, 5 years |
|---|---|---|---|
| Roz · also for Rosalind | Traditional | — | — |
| Rosie · also for Rose, Rosalie, Rosemary | Traditional | #283 | 4,298 |
Nicknames reviewed by our editors; counts are girls given the nickname as their legal first name. Nobody records how many Rosalyns go by each one.
Rosalyn popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #1,051 | 237 |
| 2020 | #849 | 322 |
| 2010 | #1,518 | 148 |
| 2000 | #1,980 | 85 |
| 1990 | #1,465 | 107 |
| 1980 | #791 | 208 |
| 1970 | #673 | 237 |
| 1960 | #542 | 319 |
| 1950 | #435 | 348 |
| 1940 | #445 | 236 |
| 1930 | #479 | 196 |
| 1920 | #624 | 132 |
| 1910 | #1,158 | 16 |
| 1900 | #1,895 | 6 |
| 1890 | — | — |
| 1880 | — | — |
How popular is Rosalyn, counting every spelling?
Rosalyn is the most common spelling of a name family that ranked #736 for girls in 2025 once every spelling is counted together, compared with #1,051 for Rosalyn on its own. Together these spellings went to 381 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Rosalyn | 237 | #1,051 | 1,415 |
| Rosaline | 85 | #2,192 | 334 |
| Rosaleen | 18 | #6,504 | 100 |
| Rozalyn | 12 | #8,767 | 92 |
| Rosalin | 15 | #7,427 | 71 |
| Rozalynn | 8 | #11,732 | 50 |
| Rosalene | 6 | #14,583 | 25 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Rosalyn?
237 of the 3,606,400 babies born in the US in 2025 were named Rosalyn (0.07 per 1,000 births). For a girl named Rosalyn born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 35 (of 430 pupils) would have a child named Rosalyn.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Rosalyn?
About 16,800 people born in the US named Rosalyn are alive today, with a median age of 50; half are between 17 and 69. That makes Rosalyn mostly worn by adults in their thirties to fifties. The wide spread shows a name popular in two different eras.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Rosalyn by state
How common Rosalyn was among girls born in each state in 2021–2025. It is notably more common than nationally in Wisconsin (2.1×), Ohio (2.1×), Utah (1.9×), Indiana (1.9×), Kentucky (1.9×). In 20 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Rosalyn: their share of US girls followed the most similar curve since 1880. If you like Rosalyn, they share its era and feel.
Middle names for Rosalyn · Sibling names for Rosalyn
Questions about the name Rosalyn
What does Rosalyn mean?
Rosalyn means “variant of Rosaline” (English, Germanic origin). Certainty: probable.
How popular is the name Rosalyn?
Rosalyn was the 1051st most popular name for girls in 2025, given to 237 babies. Its best year was 1952, when it ranked 413th; the most babies were born in 1955 (422). Over the last ten years it has moved up 87 places. More babies were named Rosalyn in the 1950s than in any other decade.
Is Rosalyn a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Rosalyn in the US.
Where is Rosalyn most popular?
In 2021–2025, Rosalyn was most common in Wisconsin (0.37 per 1,000 girls), followed by Ohio and Utah.