Harriett is a distinctive girls' name in United States, ranking #9824 in 2021 with 10 recorded births. The name reached its all-time peak in 2025 with 17 births ranking #6641. Since 1996, the popularity has increased by 100.0%. In 2021, approximately 1 in every 163,971 girls born was named Harriett. RISING Recent data shows the name is currently rising.