Harriett is a distinctive girls' name in United States, ranking #12642 in 1997 with 6 recorded births. The name reached its all-time peak in 2025 with 17 births ranking #6641. Since 1996, the popularity has increased by 20.0%. In 1997, approximately 1 in every 290,110 girls born was named Harriett. RISING Recent data shows the name is currently rising.