Kierstin is a distinctive girls' name in United States, ranking #2660 in 2010 with 68 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has decreased by 43.8%. In 2010, approximately 1 in every 26,137 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.