Kristy is a distinctive girls' name in United States, ranking #2604 in 2011 with 69 recorded births. The name reached its all-time peak in 1996 with 485 births ranking #494. Since 1996, the popularity has decreased by 85.8%. In 2011, approximately 1 in every 25,490 girls born was named Kristy. STABLE Recent data shows the name is currently stable.