Marcellius is a distinctive boys' name in United States, ranking #9770 in 2005 with 7 recorded births. This places Marcellius in the bottom 27% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 7 births ranking #7671. In 2005, approximately 1 in every 285,307 boys born was named Marcellius. RISING Recent data shows the name is currently rising.