Kirstie is a distinctive girls' name in United States, ranking #1955 in 1997 with 74 recorded births. The name reached its all-time peak in 1996 with 102 births ranking #1557. Since 1996, the popularity has decreased by 27.5%. In 1997, approximately 1 in every 23,522 girls born was named Kirstie. FALLING Recent data shows the name is currently falling.