Kierstin is a distinctive girls' name in United States, ranking #5101 in 2014 with 27 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has decreased by 77.7%. In 2014, approximately 1 in every 66,146 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.