Olegario is a distinctive boys' name in United States, ranking #7461 in 2002 with 9 recorded births. The name reached its all-time peak in 2001 with 13 births ranking #5588. Since 1996, the popularity has increased by 12.5%. In 2002, approximately 1 in every 215,719 boys born was named Olegario. RISING Recent data shows the name is currently rising.