Marius is a distinctive boys' name in United States, ranking #1604 in 2003 with 79 recorded births. The name reached its all-time peak in 2004 with 80 births ranking #1623. Since 1996, the popularity has increased by 192.6%. In 2003, approximately 1 in every 25,003 boys born was named Marius. RISING Recent data shows the name is currently rising.