Marcellius is a distinctive boys' name in United States, ranking #12025 in 2008 with 6 recorded births. The name reached its all-time peak in 1996 with 7 births ranking #7671. Since 1996, the popularity has decreased by 14.3%. In 2008, approximately 1 in every 339,991 boys born was named Marcellius. RISING Recent data shows the name is currently rising.