Meaning not yet researched.
Oisin: US boys given the name each year, 1880 to 2025, from Social Security card applications. 22 in 2025. Its best rank was #3,547 in 2020.
US births per year · SSA card applications
Peaked at #3,547 in 2020; #4,660 in 2025. Every baby recorded as Oisin in 2025 was a boy.
Baby name · US data 1880–2025
#4,660 for US boys in 2025. Its best year was 2020, at #3,547.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Oisin: US boys given the name each year from 1880 to 2025. 22 boys in 2025. Peak: #3,547 in 2020 · most boys in one year: 31 (2020).
In 2025, 22 US boys were named Oisin, making it the 4,660th most common boys’ name of the year, down 500 places from #4,160 in 2024. That is 4 fewer than the 26 boys named Oisin in 2024. Its best rank for boys was #3,547, reached in 2020. That year also had the most boys given the name: 31. For comparison, it was #5,669 in 2015 and unranked in 1950.
Social Security card records list Oisin in 31 years of the 146 from 1880 to 2025, starting in 1991 with 6 babies. In all, 513 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 181 babies named Oisin.
Over the 10 years from 2016 to 2025, 243 US boys were named Oisin; the busiest of those years was 2020, with 31. In 2025 that was about 1 in 77,640 of the boys in SSA’s list for the year.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | 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 |
| 1999 | — | — | 11 | #5,936 |
| 1998 | — | — | 9 | #6,691 |
| 1997 | — | — | 7 | #7,888 |
| 1995 | — | — | 10 | #5,788 |
| 1991 | — | — | 6 | #7,970 |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).