Harriett is a distinctive girls' name in United States, ranking #6641 in 2025 with 17 recorded births. The name reached its all-time peak in 2025 with 17 births ranking #6641. Since 1996, the popularity has increased by 240.0%. In 2025, approximately 1 in every 94,545 girls born was named Harriett. RISING Recent data shows the name is currently rising.