Kearstin is a distinctive girls' name in United States, ranking #3267 in 2002 with 43 recorded births. The name reached its all-time peak in 2002 with 43 births ranking #3267. Since 1996, the popularity has increased by 13.2%. In 2002, approximately 1 in every 41,787 girls born was named Kearstin. FALLING Recent data shows the name is currently falling.