Kienan is a distinctive boys' name in United States, ranking #13125 in 2006 with 5 recorded births. The name reached its all-time peak in 1997 with 21 births ranking #3410. Since 1996, the popularity has decreased by 64.3%. In 2006, approximately 1 in every 411,024 boys born was named Kienan. STABLE Recent data shows the name is currently stable.