Casie is a distinctive girls' name in United States, ranking #6430 in 2010 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 2010, approximately 1 in every 88,866 girls born was named Casie. FALLING Recent data shows the name is currently falling.