Kelsy is a distinctive girls' name in United States, ranking #5329 in 2012 with 26 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 81.7%. In 2012, approximately 1 in every 67,721 girls born was named Kelsy. RISING Recent data shows the name is currently rising.