Kierstin is a distinctive girls' name in United States, ranking #1284 in 2005 with 174 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has increased by 43.8%. In 2005, approximately 1 in every 10,619 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.