Kienan is a distinctive boys' name in United States, ranking #8579 in 2004 with 8 recorded births. The name reached its all-time peak in 1997 with 21 births ranking #3410. Since 1996, the popularity has decreased by 42.9%. In 2004, approximately 1 in every 248,100 boys born was named Kienan. STABLE Recent data shows the name is currently stable.