Marcello is a distinctive boys' name in United States, ranking #1219 in 1997 with 97 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 15.5%. In 1997, approximately 1 in every 19,434 boys born was named Marcello. RISING Recent data shows the name is currently rising.