Kelsy is a distinctive girls' name in United States, ranking #1723 in 2000 with 102 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 28.2%. In 2000, approximately 1 in every 17,804 girls born was named Kelsy. RISING Recent data shows the name is currently rising.