Kierston is a distinctive girls' name in United States, ranking #5633 in 2006 with 24 recorded births. The name reached its all-time peak in 2001 with 43 births ranking #3227. Since 1996, the popularity has decreased by 27.3%. In 2006, approximately 1 in every 79,211 girls born was named Kierston. FALLING Recent data shows the name is currently falling.