Marius is a distinctive boys' name in United States, ranking #2555 in 2025 with 52 recorded births. The name reached its all-time peak in 2004 with 80 births ranking #1623. Since 1996, the popularity has increased by 92.6%. In 2025, approximately 1 in every 32,848 boys born was named Marius. RISING Recent data shows the name is currently rising.