Kassidie is a distinctive girls' name in United States, ranking #5038 in 1998 with 21 recorded births. The name reached its all-time peak in 2001 with 22 births ranking #5278. Since 1996, the popularity has increased by 31.3%. In 1998, approximately 1 in every 84,138 girls born was named Kassidie. STABLE Recent data shows the name is currently stable.