Kelsy is a distinctive girls' name in United States, ranking #2591 in 2005 with 66 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 53.5%. In 2005, approximately 1 in every 27,995 girls born was named Kelsy. RISING Recent data shows the name is currently rising.