Kierstin is a distinctive girls' name in United States, ranking #1255 in 1997 with 142 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has increased by 17.4%. In 1997, approximately 1 in every 12,258 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.