Kassidy is a distinctive boys' name in United States, ranking #6274 in 2009 with 14 recorded births. This places Kassidy in the top 43% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 20 births ranking #4843. Since 1996, the popularity has increased by 100.0%. In 2009, approximately 1 in every 141,665 boys born was named Kassidy. STABLE Recent data shows the name is currently stable.