Oluwaseun is a distinctive boys' name in United States, ranking #6943 in 1999 with 9 recorded births. The name reached its all-time peak in 2004 with 17 births ranking #4949. Since 1996, the popularity has decreased by 25.0%. In 1999, approximately 1 in every 213,343 boys born was named Oluwaseun. FALLING Recent data shows the name is currently falling.