Kelsy is a distinctive girls' name in United States, ranking #2108 in 2002 with 81 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 43.0%. In 2002, approximately 1 in every 22,183 girls born was named Kelsy. RISING Recent data shows the name is currently rising.