Gregorio is a distinctive boys' name in United States, ranking #1585 in 2008 with 100 recorded births. The name reached its all-time peak in 1996 with 162 births ranking #858. Since 1996, the popularity has decreased by 38.3%. In 2008, approximately 1 in every 20,399 boys born was named Gregorio. RISING Recent data shows the name is currently rising.