Marcellus is a distinctive boys' name in United States, ranking #1220 in 2016 with 154 recorded births. The name reached its all-time peak in 2021 with 351 births ranking #732. Since 1996, the popularity has increased by 52.5%. In 2016, approximately 1 in every 12,320 boys born was named Marcellus. FALLING Recent data shows the name is currently falling.