Kierstin is a distinctive girls' name in United States, ranking #2605 in 2009 with 71 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has decreased by 41.3%. In 2009, approximately 1 in every 25,871 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.