Giacomo is a distinctive boys' name in United States, ranking #2506 in 2001 with 39 recorded births. The name reached its all-time peak in 2006 with 56 births ranking #2263. Since 1996, the popularity has increased by 39.3%. In 2001, approximately 1 in every 49,816 boys born was named Giacomo. RISING Recent data shows the name is currently rising.