The name Neilan reached its peak in 2017, with 14 registrations (ranked #6243). The name has actually been around since 1922 — over a century — though it took until recently to find its widest audience. Since the peak, the name has eased to well outside the top 1,000 (around #8375) today, averaging about 10 new babies per year. Neilan's usage has held roughly steady recently. Across all years on record, approximately 159 American babies have carried this name.