Giacomo is a distinctive boys' name in United States, ranking #3459 in 2000 with 24 recorded births. The name reached its all-time peak in 2006 with 56 births ranking #2263. Since 1996, the popularity has decreased by 14.3%. In 2000, approximately 1 in every 81,831 boys born was named Giacomo. RISING Recent data shows the name is currently rising.