Kassidy is a distinctive boys' name in United States, ranking #7850 in 2012 with 10 recorded births. The name reached its all-time peak in 2017 with 20 births ranking #4843. Since 1996, the popularity has increased by 42.9%. In 2012, approximately 1 in every 189,663 boys born was named Kassidy. STABLE Recent data shows the name is currently stable.