Kieren is a distinctive boys' name in United States, ranking #4674 in 2009 with 21 recorded births. The name reached its all-time peak in 2011 with 28 births ranking #3739. Since 1996, the popularity has increased by 133.3%. In 2009, approximately 1 in every 94,443 boys born was named Kieren. RISING Recent data shows the name is currently rising.