Kainoa is a distinctive boys' name in United States, ranking #1892 in 2010 with 76 recorded births. The name reached its all-time peak in 2016 with 105 births ranking #1566. Since 1996, the popularity has increased by 61.7%. In 2010, approximately 1 in every 25,242 boys born was named Kainoa. STABLE Recent data shows the name is currently stable.