Roisin
Feminine · “little rose”
Róisín is a little rose in Irish — and Róisín Dubh, the dark rosaleen, is a code name for Ireland in a famous song.
How old is the name Roisin?
Roisin first appears in US birth records in 1966 — 59 years ago. The typical Roisin alive today was born around 2012, making them about 13 years old. About 1,000 people named Roisin are estimated to be alive in the US today.
When was the name Roisin most popular?
Roisin peaked in 2025, reaching #2691 nationally. Today it ranks #2691, exactly where it peaked. See the whole 2025 chart.
Lists built from the same records:
Where it comes from
From rós to Roisin
The story of Roisin
Róisín Dubh is a song of the Elizabethan period in which Ireland is addressed as a beloved woman, so that political material could be sung without prosecution; James Clarence Mangan translated it as Dark Rosaleen. The name means little rose. Róisín is standard in Ireland and is in current American use.
Meaning
little rose
From the Irish rós, 'rose', borrowed from Latin, with the diminutive -ín. Róisín Dubh, 'dark little rose', is a seventeenth-century political song addressing Ireland as a woman. The Irish is documented and the reading undisputed.
How the name formed
- rós
- Róisín
Related forms: Róisín · Rosheen · Rosaleen
Pronouncing Roisin
roh-SHEEN
Two syllables, stress on the second. The Irish s before a slender vowel is an sh sound.
Nicknames for Roisin
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1966
- Most girls named
- 202564 — the highest on record
- Peak rank
- #2691reached in 2025
- Change vs 2024
- +48.8%64 in 2025, from 43
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Roisin in other languages
The same name elsewhere
- Róisín in Irish — same name
- Rosheen in English — spelling variant
- Rosaleen in English — related form
Strongest US states over the last decade: New York, California, Massachusetts.
Roisins among us
people named Roisin are estimated to be alive in the US today
About 1 girl in 25,114 born in 2025 was named Roisin
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
What happens to a name after it peaks
The Sadia test
Every popular name lives one long story — a climb, a peak, a slow settling back. Roisin's later chapters haven't been written yet, so we borrowed them: Sadia climbed just as high around 1998, and its whole arc is on record. Line the two peaks up, and Sadia's path sketches the road Roisin is walking now.
Roisin sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Roisin is headed
Roisin should hold steady through 2030 — the curve is flat, and flat curves are the most predictable kind.
Medium confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Roisin beside its neighbors
The names ranked closest to Roisin in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- That a love song was a way of writing about Ireland safely is a first-rate fact.
- The little-rose meaning is transparent and warm.
- Rosie is available as a short form with a large record.
- The Irish spelling gives English speakers no guide to the sh sound.
- It will be mispronounced on first sight essentially always.
- The accents are usually dropped in American records.
Nobody names a baby alone.
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What they receive
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Roisin
Feminine · #2691 in the U.S.
Frequently asked
- How many Roisins are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,000 people named Roisin are estimated to be alive in the US today.
- How popular is the name Roisin in 2025?
- Roisin ranks #2691 among US girl names in 2025, with 64 babies given the name.
- How rare is the name Roisin?
- About 1 in every 25,114 US girls born in 2025 was named Roisin — 64 in all.
- Will my child share the name Roisin with classmates?
- Roisin will almost certainly be the only one in school.
Ranked beside Roisin
Names sitting at a similar level of popularity right now.
Maricela#2691 · Zulema#2691 · Layana#2691 · Meher#2691 · Cyra#2691 · Aeris#2691 · Adelyne#2691 · Annmarie#2691
Looking for what else is popular rather than what resembles Roisin? See the current top 100.
Choosing between Roisin and another name?
See them side by side — full stats, history and a gentle verdict.
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Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
US figures from the Social Security Administration. 1880–2025. Data & methodology
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