Given name & surname
Roisin
“horse”·“fame”
In English use, Roisin is a diminutive of Rose. The rose flower is one clear association. Proposed Germanic roots include words for “horse” or “fame,” so one explanation need not cover every historical use.
Meaning & origin
What it means
In English use, Roisin is a diminutive of Rose. The rose flower is one clear association. Proposed Germanic roots include words for “horse” or “fame,” so one explanation need not cover every historical use.
Explained through its name family
Where it comes from
In English use, Roisin is a diminutive of Rose. Rose’s flower association connects it with Latin rosa. Some medieval uses may instead continue shortened Germanic names.
Explained through its name family
How it developed
In English usage, Roisin is a diminutive of Rose. In English use, Roisin is a diminutive of Rose. The shared background comes through Rose: Rose may combine several histories: the flower word, its religious symbolism, and shortened Germanic compounds. Rose can also serve as a short form of longer Ros- names.
Combines direct and name-family evidence
The story
Published U.S. birth records include this spelling as early as 1966. This is the earliest published observation available here, rather than a date for the name’s origin. In English use, Roisin is a diminutive of Rose. The history of Rose gives this family its wider story. Rose was used in the Middle Ages, with the Latinized form Rohesia appearing in medieval documents.
Combines direct and name-family evidence
Roisin through the years
- Babies since 1880
- 987
- 0 boys · 987 girls
- Most popular year
- 2025
- 64 babies
- 2025
- 64
- #2,716 for girls
- 2021–25 vs 2016–20
- +70%
- Rising fast
Where it’s given
By the numbers
In 2025, this name appeared in 64 U.S. birth records for girls, ranking No. 2,716 among girls’ names. Average annual use for girls was 69.6% higher in 2021–2025 than in 2016–2020. In 2025, California had the largest reported state-level birth count for girls with this name (8). Published U.S. population figures for this spelling include 847 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.
Roisin’s family of names
In English usage, Roisin is a diminutive of Rose. In Irish usage, Roisin has a related form in Róisín. Roisin has a related form in Rose.
The ring: nicknames and forms.
Nicknames & forms 2
Diminutives, pet forms, short forms and variants used alongside the name.
People named Roisin
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
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