Kierston is a distinctive girls' name in United States, ranking #6041 in 2008 with 23 recorded births. The name reached its all-time peak in 2001 with 43 births ranking #3227. Since 1996, the popularity has decreased by 30.3%. In 2008, approximately 1 in every 82,205 girls born was named Kierston. FALLING Recent data shows the name is currently falling.