Cassady is a distinctive girls' name in United States, ranking #2825 in 2002 with 53 recorded births. The name reached its all-time peak in 1999 with 67 births ranking #2226. Since 1996, the popularity has increased by 29.3%. In 2002, approximately 1 in every 33,902 girls born was named Cassady. FALLING Recent data shows the name is currently falling.