Kainoa is a distinctive boys' name in United States, ranking #1784 in 2018 with 86 recorded births. The name reached its all-time peak in 2016 with 105 births ranking #1566. Since 1996, the popularity has increased by 83.0%. In 2018, approximately 1 in every 21,110 boys born was named Kainoa. STABLE Recent data shows the name is currently stable.