Marcello is a distinctive boys' name in United States, ranking #1274 in 2017 with 143 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 70.2%. In 2017, approximately 1 in every 12,939 boys born was named Marcello. RISING Recent data shows the name is currently rising.