Kainoa is a distinctive boys' name in United States, ranking #1932 in 2009 with 74 recorded births. The name reached its all-time peak in 2016 with 105 births ranking #1566. Since 1996, the popularity has increased by 57.4%. In 2009, approximately 1 in every 26,801 boys born was named Kainoa. STABLE Recent data shows the name is currently stable.