Kasey is a distinctive girls' name in United States, ranking #802 in 2009 with 354 recorded births. The name reached its all-time peak in 1996 with 1,123 births ranking #252. Since 1996, the popularity has decreased by 68.5%. In 2009, approximately 1 in every 5,189 girls born was named Kasey. FALLING Recent data shows the name is currently falling.