The name Irena reached its peak in 2024, with 34 registrations (ranked #4226). The name has actually been around since 1880 — 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 #4782) today, averaging about 29 new babies per year. Irena's usage has held roughly steady recently. Across all years on record, approximately 2,162 American babies have carried this name.