The name Oswin reached its peak in 2018, with 28 registrations (ranked #3861). The name has actually been around since 1916 — over a century — though it took until recently to find its widest audience. Since the peak, the name has eased to well outside the top 1,000 (around #4828) today, averaging about 29 new babies per year. Oswin's usage has held roughly steady recently. Across all years on record, approximately 468 American babies have carried this name.