Kassidy is a distinctive girls' name in United States, ranking #689 in 2021 with 419 recorded births. The name reached its all-time peak in 2000 with 1,007 births ranking #314. Since 1996, the popularity has decreased by 28.5%. In 2021, approximately 1 in every 3,913 girls born was named Kassidy. FALLING Recent data shows the name is currently falling.