Kohei is a distinctive boys' name in United States, ranking #9992 in 2001 with 6 recorded births. This places Kohei in the bottom 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 9 births ranking #7376. In 2001, approximately 1 in every 323,805 boys born was named Kohei. STABLE Recent data shows the name is currently stable.