Dempsey is a distinctive girls' name in United States, ranking #5046 in 2018 with 26 recorded births. The name reached its all-time peak in 2025 with 44 births ranking #3479. Since 1996, the popularity has increased by 116.7%. In 2018, approximately 1 in every 65,401 girls born was named Dempsey. RISING Recent data shows the name is currently rising.