Cassidy is a distinctive boys' name in United States, ranking #2308 in 2024 with 61 recorded births. The name reached its all-time peak in 1996 with 78 births ranking #1371. Since 1996, the popularity has decreased by 21.8%. In 2024, approximately 1 in every 28,120 boys born was named Cassidy. STABLE Recent data shows the name is currently stable.