Kelsy is a distinctive girls' name in United States, ranking #2632 in 2004 with 63 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 55.6%. In 2004, approximately 1 in every 29,145 girls born was named Kelsy. RISING Recent data shows the name is currently rising.