Marcello is a distinctive boys' name in United States, ranking #1035 in 2007 with 182 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 116.7%. In 2007, approximately 1 in every 11,402 boys born was named Marcello. RISING Recent data shows the name is currently rising.