Casie is a distinctive girls' name in United States, ranking #6636 in 2006 with 19 recorded births. The name reached its all-time peak in 1996 with 107 births ranking #1503. Since 1996, the popularity has decreased by 82.2%. In 2006, approximately 1 in every 100,056 girls born was named Casie. FALLING Recent data shows the name is currently falling.