Kearstin is a distinctive girls' name in United States, ranking #5024 in 2007 with 29 recorded births. The name reached its all-time peak in 2002 with 43 births ranking #3267. Since 1996, the popularity has decreased by 23.7%. In 2007, approximately 1 in every 66,291 girls born was named Kearstin. FALLING Recent data shows the name is currently falling.