Harriett is a distinctive girls' name in England & Wales, ranking #652 in 2013 with 62 recorded births. The name reached its all-time peak in 2017 with 82 births ranking #526. Since 1996, the popularity has increased by 77.1%. In 2013, approximately 1 in every 4,975 girls born was named Harriett. STABLE Recent data shows the name is currently stable.