Casie is a distinctive girls' name in United States, ranking #6636 in 2006 with 19 recorded births. This places Casie in the top 33% of ranked US girls' names for the year. Its actual usage is classified as Rare. 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.