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Roisin

#2,716 in 2025Girls' name

Rosy, through Rose

Roisin has been given to 987 babies in the U.S. since 1966. In 2025 it ranked #2,716 of 17,293 girls’ names in use. Its peak year was 2025, with 64 recorded.

Babies named Roisin, 2025

1 in 51,800

Roisin over time, 1880–2025

Girls
02040608018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Roisin: meaning, origin, and history

Rosy, through Rose

Irish

What Roisin means

Roisin belongs to the name family reached through Roisin → Rose → רויז. Its meaning is “rosy”.

Origin, language, and formation

Roisin is used in English. Its origins include Irish.

Related names and everyday forms

Related names include Róisín, Rose and רויז.

American usage and historical context

In the United States, 987 girls were recorded with the name Roisin between 1966 and 2025. Its highest annual count was 64 in 2025; its best national rank was #2,716 in 2025.

Over 5 years its rank rose, from #4,423 in 2020 to #2,716 in 2025. Over 10 years its rank rose, from #4,957 in 2015 to #2,716 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Roisin?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 51,800
64 of 3,315,165 births
Among girls only
1 in 25,100
<0.01% of girls
Rank, 2025
#2,716
of 17,293 girls’ names in use
Coin-flip room size
35,906 kids
Even odds of a second one

Where Roisin sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 35,906 children born in 2025 and it's an even bet that one of them is another Roisin. In a class of 30 the chance is Under 1%.

When Roisins were born

Half of everyone ever recorded as Roisin was born before 2012 — so the typical Roisin is around 13 today.

Median birth year
2012
About 13 years old
Biggest decade
2020s
28.6% of all use
Born in the last 25 years
77.6%
A modern name
Recorded since 1950
987
People you could plausibly meet
Choose a decade

2020s — 28.6% of all recorded uses (282).

Is Roisin rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
+919
Places climbed
Rank vs 5 years ago
+1,707
Places climbed
Rank vs 10 years ago
+2,241
Places climbed
Births vs 10 years ago
2.29×
More babies than then
Share of its own peak
100.0%
Peak was 2025 (64)
Years since peak
Peaking now
At its all-time high
Year-to-year steadiness
Shifting
21.7% average annual change
Best rank ever
#2,716
2025

Spellings of Roisin

Roisin is not the most common spelling — Robin is, with 72.9% against Roisin's 0.25%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Roisin is used

Across 1910–2025, Roisin was most concentrated in Massachusetts — about 1 in 100,000 girls, against 1 in 221,642 across all states with data. It was least common in Pennsylvania (1 in —).

01 per 100,000

Most concentrated

  1. 1Massachusetts1 in 100,000
  2. 2New York1 in 100,000
  3. 3California1 in —
  4. 4Illinois1 in —
  5. 5New Jersey1 in —
  6. 6Pennsylvania1 in —

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Roisin has too little recent state data to map, so this covers all years from 1910.

Roisin around the world

Where Roisin ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2025
    #1,166
    in 2025
  • Scotland
    1974–2025
    #474
    in 2025
  • Northern Ireland
    1997–2025
    #177
    in 2025
  • Ireland
    1964–2025
    #29
    in 2025
  • Canada
    1993–2023
    #3,391
    in 2023
  • South Australia
    1972–2011
    #840
    in 2011

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. StatCan data under Statistics Canada Open Licence.

Roisin by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#2,716
Trend vs 5 yrs ago
Up 1,707
Best rank ever
#2,716
2025
Peak year
2025
64 that year
First recorded
1966
Last recorded
2025
All-time count
987
Count in 2025
64

Names similar to Roisin

Matched on shared beginnings and endings, similar length, and comparable popularity.

RoizyRoizaBlessinTamsinMadysinRoiseAddysinThomasinMadisinKarsinMahasinAdysinRoiannAllysinMadasinTahsinRoiAddisinYassinAlysinRoineRoianneOluwatosinOluwatomisin

Sibling names for Roisin

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Roisin

Top names of 2025, Roisin's peak yearThe 2020s in fullOther names that peaked in 2025Girls' names starting with RIrish Girl Names