Marcellus is a distinctive boys' name in United States, ranking #1804 in 2013 with 80 recorded births. The name reached its all-time peak in 2021 with 351 births ranking #732. Since 1996, the popularity has decreased by 20.8%. In 2013, approximately 1 in every 23,641 boys born was named Marcellus. FALLING Recent data shows the name is currently falling.