Kirsty is a popular girls' name in England & Wales, ranking #69 in 1998 with 792 recorded births. This places Kirsty in the top 1% of ranked UK girls' names for the year. Its actual usage is classified as Popular. The name reached its all-time peak in 1996 with 1,202 births ranking #53. Since 1996, the popularity has decreased by 34.1%. In 1998, approximately 1 in every 365 girls born was named Kirsty. FALLING Recent data shows the name is currently falling.