Kainoa is a distinctive boys' name in United States, ranking #1781 in 2008 with 84 recorded births. The name reached its all-time peak in 2016 with 105 births ranking #1566. Since 1996, the popularity has increased by 78.7%. In 2008, approximately 1 in every 24,285 boys born was named Kainoa. STABLE Recent data shows the name is currently stable.