Roisin: Name Popularity, History & Rankings (1880

Rank 2025

#2,716

among girls · ↑919 vs 2024

Babies in 2025

named Roisin · +49% vs 2024

How common

1 in 25,114

girls born in 2025

Peak year

2025

64 babies

All-time total

987

#7,592 all-time among girls

First recorded

1966

in Social Security records

Roisin popularity over time

987 babies have been named Roisin since 1966, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure

Births per 1,000 babies of that sex, comparable across eras

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade	Girls	Per year	Change	Best rank
1880s	–	–	–	–
1890s	–	–	–	–
1900s	–	–	–	–
1910s	–	–	–	–
1920s	–	–	–	–
1930s	–	–	–	–
1940s	–	–	–	–
1950s	–	–	–	–
1960s	8	1	–	#5,177
1970s	28	3	+250%	#6,720
1980s	36	4	+29%	#9,455
1990s	130	13	+261%	#5,178
2000s	227	23	+75%	#4,261
2010s	276	28	+22%	#4,334
2020s (to 2025)	282	47	+70%	#2,716

Where Roisin is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year	Projected babies	Per 1,000 girls	Implied rank
2026	70	0.04	outside top 500
2027	75	0.05	outside top 500
2028	79	0.05	outside top 500
2029	83	0.05	outside top 500
2030	87	0.05	outside top 500

The story of Roisin

Roisin is rare for girls in the United States, ranked #2,716 in 2025 with 64 babies given the name. It is currently rising compared with a decade ago.

Since 1966, 987 American babies have been named Roisin. Its peak came in 2025, when 64 newborns received the name, the signature sound of the 2020s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Roisin stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Roisin?

The median living Roisin is about 13 years old; half are between 4 and 23. An estimated 1,000 people named Roisin are alive in the United States today.

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Roisin year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year	Girls	Girls rank
2025	64	#2,716
2024	43	#3,635
2023	54	#3,084
2022	38	#3,948
2021	52	#3,151
2020	31	#4,425
2019	31	#4,520
2018	33	#4,334
2017	27	#5,027
2016	26	#5,255
2015	28	#4,959
2014	33	#4,432
2013	22	#5,969
2012	32	#4,580
2011	25	#5,510
2010	19	#6,850
2009	18	#7,288
2008	20	#6,762
2007	22	#6,282
2006	23	#5,869
2005	24	#5,402
2004	33	#4,261
2003	22	#5,560
2002	21	#5,631
2001	25	#4,806
2000	19	#5,894
1995	17	#5,637
1990	12	#7,196
1985	5	#12,025
1980	5	#11,705
1975	–	–
1970	–	–
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

Quick answers about Roisin, drawn from the same Social Security data as the charts above.

How old is the average Roisin?

The median living Roisin is about 13 years old. Half of all living Roisins are between 4 and 23 years old.

How many people named Roisin are alive today?

An estimated 1,000 people named Roisin are alive in the United States, based on 987 recorded births and Social Security life tables.

What does the name Roisin mean?

A female given name from Irish, anglicized form of Róisín, an Irish diminutive of Rose.

How popular is the name Roisin in 2025?

Roisin ranked #2,716 among girls' names in the United States in 2025, with 64 babies given the name, according to Social Security Administration data.

How many people are named Roisin?

987 babies have been named Roisin in the United States since 1966, based on Social Security card applications.

When was the name Roisin most popular?

Roisin peaked in 2025, when 64 newborns received the name.

Is Roisin a boy or girl name?

Roisin is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Roisin rising or falling?

Roisin is on the rise, noticeably more popular now than a decade ago.

Will Roisin become more popular?

Roisin is trending upward. If the recent trend holds, we project roughly 87 girls named Roisin in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Roisin

Names that sound and feel close to Roisin: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Roisin with similar names → More names starting with R →