Dempsey is a distinctive boys' name in United States, ranking #2347 in 2023 with 59 recorded births. The name reached its all-time peak in 2014 with 94 births ranking #1644. Since 1996, the popularity has increased by 168.2%. In 2023, approximately 1 in every 28,958 boys born was named Dempsey. FALLING Recent data shows the name is currently falling.