Marcello is a distinctive boys' name in United States, ranking #1135 in 2014 with 168 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 100.0%. In 2014, approximately 1 in every 11,431 boys born was named Marcello. RISING Recent data shows the name is currently rising.