Kainoa is a distinctive boys' name in United States, ranking #1922 in 1996 with 47 recorded births. This places Kainoa in the top 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 105 births ranking #1566. In 1996, approximately 1 in every 40,303 boys born was named Kainoa. STABLE Recent data shows the name is currently stable.