Kelsy is a distinctive girls' name in United States, ranking #3070 in 2009 with 56 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 60.6%. In 2009, approximately 1 in every 32,801 girls born was named Kelsy. RISING Recent data shows the name is currently rising.