Kassidey is a distinctive girls' name in United States, ranking #14450 in 2009 with 7 recorded births. This places Kassidey in the bottom 28% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 8 births ranking #10597. In 2009, approximately 1 in every 262,410 girls born was named Kassidey. FALLING Recent data shows the name is currently falling.