Kjersti is a distinctive girls' name in United States, ranking #12795 in 2001 with 7 recorded births. The name reached its all-time peak in 1997 with 7 births ranking #11479. Since 1996, the popularity has increased by 40.0%. In 2001, approximately 1 in every 257,223 girls born was named Kjersti. STABLE Recent data shows the name is currently stable.