Kjersti is a distinctive girls' name in United States, ranking #15874 in 2011 with 6 recorded births. The name reached its all-time peak in 1997 with 7 births ranking #11479. Since 1996, the popularity has increased by 20.0%. In 2011, approximately 1 in every 293,134 girls born was named Kjersti. STABLE Recent data shows the name is currently stable.