Roisin
Roisin was the 2716th most popular name for girls in 2025, given to 64 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 2,243 places. More babies were named Roisin in the 2020s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #2,716 girls, up 1,709 places since 2020
- Babies in 2025
- 64girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 202564 babies
- Total since 1880
- 987babies recorded
Roisin popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #2,716 | 64 |
| 2020 | #4,425 | 31 |
| 2010 | #6,850 | 19 |
| 2000 | #5,894 | 19 |
| 1990 | #7,196 | 12 |
| 1980 | #11,705 | 5 |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Roisin, counting every spelling?
Roisin has no other common spelling that sounds the same.
How many kids will share the name Roisin?
64 of the 3,606,400 babies born in the US in 2025 were named Roisin (0.02 per 1,000 births). For a girl named Roisin born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 131 (of 430 pupils) would have a child named Roisin.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Roisin?
About 1,000 people born in the US named Roisin are alive today, with a median age of 14; half are between 5 and 24. That makes Roisin mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Roisin by state
How common Roisin was among girls born in each state in 2021–2025. It is notably more common than nationally in New York (3.4×). In 46 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Roisin: their share of US girls followed the most similar curve since 1880. If you like Roisin, they share its era and feel.
Questions about the name Roisin
How popular is the name Roisin?
Roisin was the 2716th most popular name for girls in 2025, given to 64 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 2,243 places. More babies were named Roisin in the 2020s than in any other decade.
Is Roisin a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Roisin in the US.
Where is Roisin most popular?
In 2021–2025, Roisin was most common in New York (0.10 per 1,000 girls), followed by Massachusetts and New Jersey.