Marcellus is a distinctive boys' name in United States, ranking #1695 in 2010 with 91 recorded births. This places Marcellus in the top 12% 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 2010, approximately 1 in every 21,081 boys born was named Marcellus. FALLING Recent data shows the name is currently falling.