Kassidie is a distinctive girls' name in United States, ranking #8894 in 2011 with 13 recorded births. The name reached its all-time peak in 2001 with 22 births ranking #5278. Since 1996, the popularity has decreased by 18.8%. In 2011, approximately 1 in every 135,293 girls born was named Kassidie. STABLE Recent data shows the name is currently stable.