Kohei is a distinctive boys' name in United States, ranking #10181 in 2006 with 7 recorded births. The name reached its all-time peak in 2002 with 9 births ranking #7376. Since 1996, the popularity has increased by 16.7%. In 2006, approximately 1 in every 293,588 boys born was named Kohei. STABLE Recent data shows the name is currently stable.