Giancarlo is a distinctive boys' name in United States, ranking #990 in 1996 with 126 recorded births. This places Giancarlo in the top 9% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2008 with 381 births ranking #641. In 1996, approximately 1 in every 15,034 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.