The name Jolyn reached its peak in 1969, with 51 registrations (ranked #1696). It first surfaced in U.S. records in 1936, roughly 33 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #11651) today, averaging about 9 new babies per year. Jolyn has been declining in recent years. Across all years on record, approximately 1,977 American babies have carried this name.