Koah is a distinctive boys' name in United States, ranking #13143 in 2006 with 5 recorded births. This places Koah in the bottom 6% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 260 births ranking #912. In 2006, approximately 1 in every 411,024 boys born was named Koah. RISING Recent data shows the name is currently rising.