Kelsy is a distinctive girls' name in United States, ranking #2874 in 2008 with 62 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 56.3%. In 2008, approximately 1 in every 30,495 girls born was named Kelsy. RISING Recent data shows the name is currently rising.