Marcello is a distinctive boys' name in United States, ranking #1327 in 2022 with 142 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 69.0%. In 2022, approximately 1 in every 12,284 boys born was named Marcello. RISING Recent data shows the name is currently rising.