The name Leann reached its peak in 1963, with 636 registrations (ranked #383). It first surfaced in U.S. records in 1925, roughly 38 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #3256) today, averaging about 52 new babies per year. Leann has been declining in recent years. Across all years on record, approximately 24,329 American babies have carried this name.