Kassidy is a distinctive girls' name in United States, ranking #502 in 2016 with 621 recorded births. This places Kassidy in the top 3% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2000 with 1,007 births ranking #314. In 2016, approximately 1 in every 2,853 girls born was named Kassidy. FALLING Recent data shows the name is currently falling.