Harriett is a distinctive girls' name in United States, ranking #7817 in 2014 with 15 recorded births. The name reached its all-time peak in 2025 with 17 births ranking #6641. Since 1996, the popularity has increased by 200.0%. In 2014, approximately 1 in every 119,062 girls born was named Harriett. RISING Recent data shows the name is currently rising.