Oumou is a distinctive girls' name in United States, ranking #9891 in 1998 with 9 recorded births. The name reached its all-time peak in 2013 with 43 births ranking #3622. Since 1996, the popularity has increased by 50.0%. In 1998, approximately 1 in every 196,321 girls born was named Oumou. RISING Recent data shows the name is currently rising.