Kieren is a distinctive boys' name in United States, ranking #7427 in 2005 with 10 recorded births. The name reached its all-time peak in 2011 with 28 births ranking #3739. Since 1996, the popularity has increased by 11.1%. In 2005, approximately 1 in every 199,715 boys born was named Kieren. RISING Recent data shows the name is currently rising.