Kierston is a distinctive girls' name in United States, ranking #5615 in 2007 with 25 recorded births. The name reached its all-time peak in 2001 with 43 births ranking #3227. Since 1996, the popularity has decreased by 24.2%. In 2007, approximately 1 in every 76,898 girls born was named Kierston. FALLING Recent data shows the name is currently falling.