Kirsty is a moderately popular girls' name in England & Wales, ranking #365 in 2007 with 119 recorded births. The name reached its all-time peak in 1996 with 1,202 births ranking #53. Since 1996, the popularity has decreased by 90.1%. In 2007, approximately 1 in every 2,572 girls born was named Kirsty. FALLING Recent data shows the name is currently falling.