Decarlo is a distinctive boys' name in United States, ranking #7832 in 2009 with 10 recorded births. The name reached its all-time peak in 1996 with 21 births ranking #3317. Since 1996, the popularity has decreased by 52.4%. In 2009, approximately 1 in every 198,331 boys born was named Decarlo. FALLING Recent data shows the name is currently falling.