Gregorio is a distinctive boys' name in United States, ranking #1327 in 2005 with 114 recorded births. The name reached its all-time peak in 1996 with 162 births ranking #858. Since 1996, the popularity has decreased by 29.6%. In 2005, approximately 1 in every 17,519 boys born was named Gregorio. RISING Recent data shows the name is currently rising.