The name Harriett reached its peak in 1920, with 585 registrations (ranked #270). It first surfaced in U.S. records in 1880, roughly 40 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #10301) today, averaging about 10 new babies per year. Harriett's usage has held roughly steady recently. Across all years on record, approximately 21,609 American babies have carried this name.