Kierstin is a distinctive girls' name in United States, ranking #1391 in 2000 with 134 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has increased by 10.7%. In 2000, approximately 1 in every 13,552 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.