Kierston is a distinctive girls' name in United States, ranking #3952 in 2004 with 36 recorded births. This places Kierston in the top 21% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 43 births ranking #3227. In 2004, approximately 1 in every 51,003 girls born was named Kierston. FALLING Recent data shows the name is currently falling.