Meaning & origin
Where it comes from
In English use, Rosalyn is a form of Rosalind. Rosalind has been associated with German and English naming traditions. The precise derivation is uncertain.
Explained through its name family
How it developed
In English use, Rosalyn is used as a form of Rosalind.
The story
Published U.S. birth records include this spelling as early as 1899. This is the earliest published observation available here, rather than a date for the name’s origin. Rosalyn has a related form in Rosaleen. The history of Rosaleen gives this family its wider story. James Clarence Mangan’s Dark Rosaleen adapts the Gaelic Róisín Dubh. In the poem, the woman’s name stands figuratively for Ireland, adding a national and literary dimension to its use. In English use, Rosalyn has a related form in Rosaline. The history of Rosaline gives this family its wider story. Rosaline appears in Love’s Labour’s Lost and is mentioned, without appearing onstage, in Romeo and Juliet. These two uses give the spelling a literary identity of its own.
Combines direct and name-family evidence
Rosalyn through the years
- Babies since 1880
- 23,278
- 0 boys · 23,278 girls
- Most popular year
- 1955
- 422 babies
- 2025
- 237
- #1,051 for girls
- 2021–25 vs 2016–20
- −7%
- Steady
Where it’s given
By the numbers
In 2025, this name appeared in 237 U.S. birth records for girls, ranking No. 1,051 among girls’ names. Average annual use for girls was 7.4% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 422 in 1955. In 2025, California had the largest reported state-level birth count for girls with this name (28). Published U.S. population figures for this spelling include 15,902 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Rosalyn’s family of names
Rosalyn has a related form in Rosalind. Rosalyn is a form of Rosalind. In English usage, Rosalyn has a related form in Rosaline.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 7
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 3
Equivalents and cognates in other languages, plus older forms it grew from.
See also 1
Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.
People named Rosalyn
- Rosalyn Sussman YalowAmerican medical physicist (1921-2011)
- Rosalyn TureckAmerican pianist and harpsichordist (1914–2003)
- Rosalyn FairbankSouth African tennis playerborn 1960
- Rosalyn Higgins, Lady HigginsBritish barrister, judge and scholar (born 1937)
- Rosalyn BryantAmerican sprinterborn 1956
- Rosalyn LandorBritish actressborn 1958
- Rosalyn DrexlerAmerican artist (1926–2025)
- Rosalyn Terborg-PennAmerican historian (1941-2018)
- Rosalyn BaxandallAmerican feminist, historian, activist, professor and author (1939-2015)
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Rosalyn, these share its style, era, origin or sound, from outside its own family.
Roxanne
“born with the morning's first light”
>99% girls
Rosalinde
>99% girls
Susan
“resembling a graceful white lily”
>99% girls
Roxane
“born with the morning's first light”
>99% girls
Marilyn
“a man of the lake”
>99% girls
Rosalinn
9% boys · 91% girls
Geralyn
“one who rules with the spear”
>99% girls
Roselinn
>99% girls