Marcello is a distinctive boys' name in United States, ranking #1161 in 2020 with 166 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 97.6%. In 2020, approximately 1 in every 10,392 boys born was named Marcello. RISING Recent data shows the name is currently rising.