Giancarlo is a distinctive boys' name in United States, ranking #770 in 2002 with 224 recorded births. The name reached its all-time peak in 2008 with 381 births ranking #641. Since 1996, the popularity has increased by 77.8%. In 2002, approximately 1 in every 8,667 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.