Kelsy is a distinctive girls' name in United States, ranking #6981 in 2025 with 16 recorded births. The name reached its all-time peak in 1996 with 142 births ranking #1233. Since 1996, the popularity has decreased by 88.7%. In 2025, approximately 1 in every 100,454 girls born was named Kelsy. RISING Recent data shows the name is currently rising.