Kirsty is a distinctive girls' name in United States, ranking #10085 in 2003 with 10 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3188. Since 1996, the popularity has decreased by 73.0%. In 2003, approximately 1 in every 182,705 girls born was named Kirsty. FALLING Recent data shows the name is currently falling.