The name Illyana reached its peak in 2012, with 36 registrations (ranked #4164). It first surfaced in U.S. records in 1989, roughly 23 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #5631) today, averaging about 24 new babies per year. Illyana's usage has held roughly steady recently. Across all years on record, approximately 677 American babies have carried this name.