Marcello is a distinctive boys' name in United States, ranking #1212 in 2000 with 112 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 33.3%. In 2000, approximately 1 in every 17,535 boys born was named Marcello. RISING Recent data shows the name is currently rising.