Kainoa is a distinctive boys' name in United States, ranking #1731 in 2002 with 67 recorded births. The name reached its all-time peak in 2016 with 105 births ranking #1566. Since 1996, the popularity has increased by 42.6%. In 2002, approximately 1 in every 28,977 boys born was named Kainoa. STABLE Recent data shows the name is currently stable.