Marius is a distinctive boys' name in United States, ranking #2328 in 2019 with 59 recorded births. The name reached its all-time peak in 2004 with 80 births ranking #1623. Since 1996, the popularity has increased by 118.5%. In 2019, approximately 1 in every 30,396 boys born was named Marius. RISING Recent data shows the name is currently rising.