Kierstin is a distinctive girls' name in United States, ranking #1306 in 1999 with 139 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has increased by 14.9%. In 1999, approximately 1 in every 12,761 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.