Olusegun is a distinctive boys' name in United States, ranking #8956 in 1997 with 6 recorded births. The name reached its all-time peak in 1999 with 8 births ranking #7670. Since 1996, the popularity has increased by 20.0%. In 1997, approximately 1 in every 314,182 boys born was named Olusegun. FALLING Recent data shows the name is currently falling.