Kouper is a distinctive boys' name in United States, ranking #8705 in 2008 with 9 recorded births. This places Kouper in the bottom 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 11 births ranking #7287. In 2008, approximately 1 in every 226,661 boys born was named Kouper. STABLE Recent data shows the name is currently stable.