Harriett is a distinctive girls' name in United States, ranking #8290 in 2019 with 13 recorded births. The name reached its all-time peak in 2025 with 17 births ranking #6641. Since 1996, the popularity has increased by 160.0%. In 2019, approximately 1 in every 129,044 girls born was named Harriett. RISING Recent data shows the name is currently rising.