Kierstin is a distinctive girls' name in United States, ranking #11665 in 2021 with 8 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has decreased by 93.4%. In 2021, approximately 1 in every 204,964 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.