Monterrio is a distinctive boys' name in United States, ranking #7076 in 2003 with 10 recorded births. This places Monterrio in the bottom 45% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 10 births ranking #7076. In 2003, approximately 1 in every 197,527 boys born was named Monterrio. FALLING Recent data shows the name is currently falling.