Marcellus is a distinctive boys' name in United States, ranking #1265 in 2003 with 114 recorded births. The name reached its all-time peak in 2021 with 351 births ranking #732. Since 1996, the popularity has increased by 12.9%. In 2003, approximately 1 in every 17,327 boys born was named Marcellus. FALLING Recent data shows the name is currently falling.