Kassidy is a distinctive boys' name in United States, ranking #6145 in 2015 with 14 recorded births. The name reached its all-time peak in 2017 with 20 births ranking #4843. Since 1996, the popularity has increased by 100.0%. In 2015, approximately 1 in every 136,876 boys born was named Kassidy. STABLE Recent data shows the name is currently stable.