Cassady is a distinctive girls' name in United States, ranking #9852 in 2012 with 11 recorded births. The name reached its all-time peak in 1999 with 67 births ranking #2226. Since 1996, the popularity has decreased by 73.2%. In 2012, approximately 1 in every 160,067 girls born was named Cassady. FALLING Recent data shows the name is currently falling.