Kieren is a distinctive boys' name in United States, ranking #7916 in 2007 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 2007, approximately 1 in every 207,524 boys born was named Kieren. RISING Recent data shows the name is currently rising.