Monterio is a distinctive boys' name in United States, ranking #3998 in 1997 with 17 recorded births. This places Monterio in the top 37% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 17 births ranking #3966. In 1997, approximately 1 in every 110,888 boys born was named Monterio. STABLE Recent data shows the name is currently stable.