Kahiau is a distinctive boys' name in United States, ranking #7452 in 2008 with 11 recorded births. This places Kahiau in the bottom 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 27 births ranking #4038. In 2008, approximately 1 in every 185,450 boys born was named Kahiau. RISING Recent data shows the name is currently rising.