Kassidy is a distinctive boys' name in United States, ranking #7297 in 2013 with 11 recorded births. The name reached its all-time peak in 2017 with 20 births ranking #4843. Since 1996, the popularity has increased by 57.1%. In 2013, approximately 1 in every 171,932 boys born was named Kassidy. STABLE Recent data shows the name is currently stable.