Montarius is a distinctive boys' name in United States, ranking #12138 in 2003 with 5 recorded births. The name reached its all-time peak in 1999 with 12 births ranking #5550. Since 1996, the popularity has decreased by 37.5%. In 2003, approximately 1 in every 395,054 boys born was named Montarius. STABLE Recent data shows the name is currently stable.