Giancarlo is a distinctive boys' name in United States, ranking #715 in 2007 with 323 recorded births. The name reached its all-time peak in 2008 with 381 births ranking #641. Since 1996, the popularity has increased by 156.3%. In 2007, approximately 1 in every 6,425 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.