Marcello is a distinctive boys' name in United States, ranking #1095 in 2011 with 170 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 102.4%. In 2011, approximately 1 in every 11,171 boys born was named Marcello. RISING Recent data shows the name is currently rising.