Roisin
Girl name · #2701 in 2025 · Uniqueness 42/100
In 2025, 64 baby girls were named Roisin, placing it at #2701 in the official national rankings. A decade ago it stood at #4853, so the name has been rising over the past ten years. Roughly one in every 28,125 girls born in 2025 was named Roisin.
The 59-year story
Roisin first appears in the Social Security records in 1966, when 8 girls received the name. Its all-time peak is essentially right now: 2025, with 64 babies and a rank of #2691. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Roisin per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Roisin against up to 5 other names.
Uniqueness: will there be another Roisin in class?
Roisin scores 42 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Roisin is most common
Geography matters for names, and Roisin is no exception. In 2025 the states with the most Roisins were CA (8), MA (7), NY (7). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Roisin
Statistically, parents drawn to Roisin tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Razan, Raevyn, Raylin, Keylin, and Rawan.
RazanRaevynRaylinKeylinRawanDaylinRaizelRowynn
Rank history (last 25 years)
| Year | Babies named Roisin | Rank |
|---|---|---|
| 2025 | 64 | #2691 |
| 2024 | 43 | #3575 |
| 2023 | 54 | #3047 |
| 2022 | 38 | #3893 |
| 2021 | 52 | #3112 |
| 2020 | 31 | #4358 |
| 2019 | 31 | #4437 |
| 2018 | 33 | #4237 |
| 2017 | 27 | #4922 |
| 2016 | 26 | #5130 |
| 2015 | 28 | #4853 |
| 2014 | 33 | #4350 |
| 2013 | 22 | #5834 |
| 2012 | 32 | #4486 |
| 2011 | 25 | #5358 |
| 2010 | 19 | #6641 |
| 2009 | 18 | #7066 |
| 2008 | 20 | #6559 |
| 2007 | 22 | #6093 |
| 2006 | 23 | #5709 |
| 2005 | 24 | #5266 |
| 2004 | 33 | #4172 |
| 2003 | 22 | #5419 |
| 2002 | 21 | #5444 |
| 2001 | 25 | #4688 |
Frequently asked questions
Is Roisin a popular girl name?
Roisin ranked #2701 among girls in 2025 with 64 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4853.
When was the name Roisin most popular?
Roisin peaked in 2025, when 64 American girls received the name (ranked #2691 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Roisin?
In 2025, roughly 1 in 28,125 newborn American girls was named Roisin. It scores 42/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.