Marcello is a distinctive boys' name in United States, ranking #1334 in 2001 with 98 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 16.7%. In 2001, approximately 1 in every 19,825 boys born was named Marcello. RISING Recent data shows the name is currently rising.