Nasario is a distinctive boys' name in United States, ranking #5238 in 2000 with 14 recorded births. This places Nasario in the top 43% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 14 births ranking #5238. Since 1996, the popularity has increased by 133.3%. In 2000, approximately 1 in every 140,281 boys born was named Nasario. FALLING Recent data shows the name is currently falling.