Marcellus is a distinctive boys' name in United States, ranking #1529 in 2008 with 106 recorded births. This places Marcellus in the top 10% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 351 births ranking #732. In 2008, approximately 1 in every 19,245 boys born was named Marcellus. FALLING Recent data shows the name is currently falling.