Kirsti is a distinctive girls' name in United States, ranking #7051 in 1999 with 14 recorded births. The name reached its all-time peak in 1996 with 26 births ranking #4123. Since 1996, the popularity has decreased by 46.2%. In 1999, approximately 1 in every 126,699 girls born was named Kirsti. RISING Recent data shows the name is currently rising.