Oisin
A male given name from Irish, variant of Ossian.
Every Oisin since 1991 — 513 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Oisin
Oisin is rare for boys in the United States, ranked #4,660 in 2025 with 22 babies given the name. It is currently rising compared with a decade ago.
Since 1991, 513 American babies have been named Oisin. Its peak came in 2020, when 31 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 Oisin stood among all boys' names in any year, or use the compare tool to plot it against other names.
Oisin year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | 22 | #4,660 |
| 2024 | 26 | #4,160 |
| 2023 | 25 | #4,307 |
| 2022 | 29 | #3,844 |
| 2021 | 24 | #4,331 |
| 2020 | 31 | #3,547 |
| 2019 | 16 | #5,733 |
| 2018 | 28 | #3,859 |
| 2017 | 21 | #4,699 |
| 2016 | 21 | #4,726 |
| 2015 | 16 | #5,669 |
| 2014 | 16 | #5,648 |
| 2013 | 16 | #5,573 |
| 2012 | 17 | #5,430 |
| 2011 | 15 | #5,872 |
| 2010 | 15 | #5,957 |
| 2009 | 20 | #4,879 |
| 2008 | 11 | #7,569 |
| 2007 | 12 | #6,966 |
| 2006 | 16 | #5,467 |
| 2005 | 13 | #6,123 |
| 2004 | 15 | #5,420 |
| 2003 | 14 | #5,471 |
| 2002 | 12 | #5,974 |
| 2001 | 10 | #6,791 |
| 2000 | 9 | #7,243 |
| 1995 | 10 | #5,788 |
| 1990 | — | — |
| 1985 | — | — |
| 1980 | — | — |
| 1975 | — | — |
| 1970 | — | — |
| 1965 | — | — |
| 1960 | — | — |
| 1955 | — | — |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
What does the name Oisin mean?
A male given name from Irish, variant of Ossian.
How popular is the name Oisin in 2025?
Oisin ranked #4,660 among boys' names in the United States in 2025, with 22 babies given the name, according to Social Security Administration data.
How many people are named Oisin?
513 babies have been named Oisin in the United States since 1991, based on Social Security card applications.
When was the name Oisin most popular?
Oisin peaked in 2020, when 31 newborns received the name.
Is Oisin a boy or girl name?
Oisin is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Oisin rising or falling?
Oisin is on the rise — noticeably more popular now than a decade ago.