Harriett is a distinctive girls' name in England & Wales, ranking #753 in 2008 with 46 recorded births. The name reached its all-time peak in 2017 with 82 births ranking #526. Since 1996, the popularity has increased by 31.4%. In 2008, approximately 1 in every 6,864 girls born was named Harriett. STABLE Recent data shows the name is currently stable.