Kassidy is a distinctive boys' name in United States, ranking #11607 in 2002 with 5 recorded births. The name reached its all-time peak in 2017 with 20 births ranking #4843. Since 1996, the popularity has decreased by 28.6%. In 2002, approximately 1 in every 388,294 boys born was named Kassidy. STABLE Recent data shows the name is currently stable.