Dempsey is a distinctive girls' name in United States, ranking #4011 in 2015 with 37 recorded births. The name reached its all-time peak in 2025 with 44 births ranking #3479. Since 1996, the popularity has increased by 208.3%. In 2015, approximately 1 in every 48,234 girls born was named Dempsey. RISING Recent data shows the name is currently rising.