Marius is a distinctive boys' name in United States, ranking #2280 in 2010 with 57 recorded births. This places Marius in the top 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 80 births ranking #1623. Since 1996, the popularity has increased by 111.1%. In 2010, approximately 1 in every 33,656 boys born was named Marius. RISING Recent data shows the name is currently rising.