Giancarlo is a distinctive boys' name in United States, ranking #847 in 2015 with 265 recorded births. The name reached its all-time peak in 2008 with 381 births ranking #641. Since 1996, the popularity has increased by 110.3%. In 2015, approximately 1 in every 7,231 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.