Olegario is a distinctive boys' name in United States, ranking #6512 in 2005 with 12 recorded births. The name reached its all-time peak in 2001 with 13 births ranking #5588. Since 1996, the popularity has increased by 50.0%. In 2005, approximately 1 in every 166,429 boys born was named Olegario. RISING Recent data shows the name is currently rising.