Girls' name · since 1966
Roisin
Roisin has 987 recorded births since 1966 in federal Social Security data, most heavily in 2025 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #7,594 of 72,339
- all-time among girls
- #2,701 of 17,297
- 2025 SSA year
- 987
- born since 1966
- 2020s
- peak decade
Yes -- Roisin is the #2701 most popular girls' name in the U.S. today, with 987 recorded since 1966.
Social Security Administration records show Roisin recorded 987 times among girls since 1966, holding rank #2701 nationally today, ahead of 84% of girls, peaking in the 2020s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1966 to 2025.
- #7,594 of 72,339 all-time among girls
- #2,701 of 17,297 2025 SSA year
- 987 born since 1966
- 2020s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Roisin ranks #7,594 of 72,339 girls' names by all-time recorded births (highest first) and #2,701 of 17,297 among girls' names in 2025. 987 born since 1966, peaking in the 2020s.
- #7,594 of 72,339
- all-time among girls
- #2,701 of 17,297
- 2025 SSA year
- 987
- born since 1966
- 2020s
- peak decade
Roisin's 987 recorded births place it above 89.5% of the 72,339 girls names in the full SSA archive.
6 jurisdictions carry state-level records, led by New York.
How Roisin compares
987 Top 32% higher than 68% of 17,297 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Roisin's all-time total is 163% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Roisin | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 987 | 376 | 567,345 |
| Peak-year births | 64 | 21 | 19,840 |
Roisin's usage pattern, beyond the headline number
Divide Roisin's SSA record in two at 2002 and the more recent half accounts for 75% of all births, the earlier half the remaining 25%, consistent with a name still gaining ground rather than fading. Its calmest year was 1979, with only 5 births recorded -- set against the 2025 peak of 64, that's the full swing in one name's fortunes.
Roisin popularity over time
Annual U.S. births registered with the Social Security Administration · 1966–2025
- Peak year (2025)
- 64
- Annual births at peak, across 60 years of records
Roisin by decade
2020s is the heaviest window (282 births, 29% of the file).
2020s was Roisin's strongest decade.
282 babies received the name during that ten-year window, about 29% of all-time use.
Roisin births by decade
Total births in each ten-year window
- 1960s 8
1960s
8 births
- 1970s 28
1970s
28 births
- 1980s 36
1980s
36 births
- 1990s
1990s
130 births
- 2000s
2000s
227 births
- 2010s
2010s
276 births
- 2020s
2020s
282 births
What this shows Peak: 2020s at 282 births (29% of all-time use).
How Roisin compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Roisin's total volume
Roisin by state
Where Roisin concentrates geographically, total births since 1966
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 89 | 9.0% |
| #2 | California | | 74 | 7.5% |
| #3 | Massachusetts | | 57 | 5.8% |
| #4 | Illinois | | 12 | 1.2% |
| #5 | New Jersey | | 5 | 0.5% |
| #6 | Pennsylvania | | 5 | 0.5% |
89 of 987 births nationwide. Compared to a flat distribution across 6 reporting states.
Frequently Asked Questions
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What to do with Roisin's data
- New York records the most Roisins (89 births) -- see the full state breakdown if geography matters to your decision. New York names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Roisin
Nearby Names Like Roisin
Names with a similar sound, spelling, or feel to Roisin
Compare Roisin side by side: Roisin vs Roizy Roisin vs Roiza Roisin vs Roise
Related Names
Names with a similar popularity rank to Roisin
Nationwide names with similar peak year or record span
Two nationwide peer axes for Roisin: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2025)
Similar record span (~59 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1966–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Roisin draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.