Casie is a distinctive girls' name in United States, ranking #6612 in 2009 with 20 recorded births. The name reached its all-time peak in 1996 with 107 births ranking #1503. Since 1996, the popularity has decreased by 81.3%. In 2009, approximately 1 in every 91,844 girls born was named Casie. FALLING Recent data shows the name is currently falling.