Kelsy is a distinctive girls' name in United States, ranking #6492 in 2020 with 18 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 87.3%. In 2020, approximately 1 in every 89,751 girls born was named Kelsy. RISING Recent data shows the name is currently rising.