Dempsey is a distinctive boys' name in United States, ranking #2593 in 2022 with 52 recorded births. The name reached its all-time peak in 2014 with 94 births ranking #1644. Since 1996, the popularity has increased by 136.4%. In 2022, approximately 1 in every 33,546 boys born was named Dempsey. FALLING Recent data shows the name is currently falling.