Dempsey is a distinctive girls' name in United States, ranking #4645 in 2021 with 29 recorded births. The name reached its all-time peak in 2025 with 44 births ranking #3479. Since 1996, the popularity has increased by 141.7%. In 2021, approximately 1 in every 56,542 girls born was named Dempsey. RISING Recent data shows the name is currently rising.