Kierstin is a distinctive girls' name in United States, ranking #1980 in 2007 with 104 recorded births. The name reached its all-time peak in 2005 with 174 births ranking #1284. Since 1996, the popularity has decreased by 14.0%. In 2007, approximately 1 in every 18,485 girls born was named Kierstin. FALLING Recent data shows the name is currently falling.