Harriett is a distinctive girls' name in United States, ranking #7779 in 2023 with 14 recorded births. The name reached its all-time peak in 2025 with 17 births ranking #6641. Since 1996, the popularity has increased by 180.0%. In 2023, approximately 1 in every 114,475 girls born was named Harriett. RISING Recent data shows the name is currently rising.