Marcellus is a distinctive boys' name in United States, ranking #1713 in 2011 with 87 recorded births. The name reached its all-time peak in 2021 with 351 births ranking #732. Since 1996, the popularity has decreased by 13.9%. In 2011, approximately 1 in every 21,827 boys born was named Marcellus. FALLING Recent data shows the name is currently falling.