The name Iyonna reached its peak in 2005, with 103 registrations (ranked #1882). It first surfaced in U.S. records in 1979, roughly 26 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #4951) today, averaging about 30 new babies per year. Iyonna has been declining in recent years. Across all years on record, approximately 1,760 American babies have carried this name.