Kirsty is a moderately popular girls' name in England & Wales, ranking #113 in 2002 with 403 recorded births. The name reached its all-time peak in 1996 with 1,202 births ranking #53. Since 1996, the popularity has decreased by 66.5%. In 2002, approximately 1 in every 663 girls born was named Kirsty. FALLING Recent data shows the name is currently falling.