Ousainou is a distinctive boys' name in United States, ranking #13790 in 2011 with 5 recorded births. This places Ousainou in the bottom 4% 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 5 births ranking #13790. In 2011, approximately 1 in every 379,798 boys born was named Ousainou. STABLE Recent data shows the name is currently stable.