The name Leidy reached its peak in 2006, with 50 registrations (ranked #3290). It first surfaced in U.S. records in 1974, roughly 32 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #5057) today, averaging about 28 new babies per year. Leidy's usage has held roughly steady recently. Across all years on record, approximately 848 American babies have carried this name.