Kerstin is a distinctive girls' name in United States, ranking #8220 in 2015 with 14 recorded births. The name reached its all-time peak in 1998 with 97 births ranking #1662. Since 1996, the popularity has decreased by 84.4%. In 2015, approximately 1 in every 127,475 girls born was named Kerstin. STABLE Recent data shows the name is currently stable.