Marius is a distinctive boys' name in United States, ranking #1863 in 2005 with 69 recorded births. The name reached its all-time peak in 2004 with 80 births ranking #1623. Since 1996, the popularity has increased by 155.6%. In 2005, approximately 1 in every 28,944 boys born was named Marius. RISING Recent data shows the name is currently rising.