Dempsey is a distinctive girls' name in United States, ranking #4573 in 2019 with 30 recorded births. The name reached its all-time peak in 2025 with 44 births ranking #3479. Since 1996, the popularity has increased by 150.0%. In 2019, approximately 1 in every 55,919 girls born was named Dempsey. RISING Recent data shows the name is currently rising.