Kierstin is a distinctive girls' name in United States, ranking #6956 in 2017 with 17 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has decreased by 86.0%. In 2017, approximately 1 in every 101,522 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.