Marcello is a distinctive boys' name in United States, ranking #1207 in 2005 with 132 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 57.1%. In 2005, approximately 1 in every 15,130 boys born was named Marcello. RISING Recent data shows the name is currently rising.