Marcelus is a distinctive boys' name in United States, ranking #7567 in 2023 with 11 recorded births. The name reached its all-time peak in 1996 with 18 births ranking #3775. Since 1996, the popularity has decreased by 38.9%. In 2023, approximately 1 in every 155,323 boys born was named Marcelus. FALLING Recent data shows the name is currently falling.