Gianmarco is a distinctive boys' name in United States, ranking #7424 in 2022 with 11 recorded births. The name reached its all-time peak in 2005 with 48 births ranking #2408. Since 1996, the popularity has increased by 22.2%. In 2022, approximately 1 in every 158,579 boys born was named Gianmarco. STABLE Recent data shows the name is currently stable.