Kienan is a distinctive boys' name in United States, ranking #8023 in 2005 with 9 recorded births. The name reached its all-time peak in 1997 with 21 births ranking #3410. Since 1996, the popularity has decreased by 35.7%. In 2005, approximately 1 in every 221,905 boys born was named Kienan. STABLE Recent data shows the name is currently stable.