Kassidy is a distinctive girls' name in United States, ranking #1039 in 2025 with 240 recorded births. The name reached its all-time peak in 2000 with 1,007 births ranking #314. Since 1996, the popularity has decreased by 59.0%. In 2025, approximately 1 in every 6,697 girls born was named Kassidy. FALLING Recent data shows the name is currently falling.