Kieren is a distinctive boys' name in United States, ranking #4778 in 1998 with 14 recorded births. The name reached its all-time peak in 2011 with 28 births ranking #3739. Since 1996, the popularity has increased by 55.6%. In 1998, approximately 1 in every 136,523 boys born was named Kieren. RISING Recent data shows the name is currently rising.