Oisin is a boy name with a rare feel, drawn from real birth records.
| Country | Births on record |
|---|---|
| United States since 1880 | 513 births |
| England & Wales since 1996 | 1,234 births |
| Ireland since 1964 | 8,828 births |
Counts come from national birth registrations: the U.S. Social Security Administration, England & Wales (ONS) and Ireland (CSO). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Oisin per year — Ireland (1964–2025). Ireland peaked in 2008 (454/yr) · England & Wales peaked in 2022 (79/yr) · United States peaked in 2020 (31/yr).
Oisin reached its peak in 2020, when it was the #7706 most popular baby name in the United States — making it a quintessential 2020s name.
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