Kierstin is a distinctive girls' name in United States, ranking #1956 in 2008 with 108 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has decreased by 10.7%. In 2008, approximately 1 in every 17,507 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.