Kieren is a distinctive girls' name in United States, ranking #9260 in 2008 with 13 recorded births. The name reached its all-time peak in 2010 with 14 births ranking #8513. Since 1996, the popularity has increased by 116.7%. In 2008, approximately 1 in every 145,440 girls born was named Kieren. STABLE Recent data shows the name is currently stable.