Gregorio is a distinctive boys' name in United States, ranking #1338 in 2007 with 126 recorded births. The name reached its all-time peak in 1996 with 162 births ranking #858. Since 1996, the popularity has decreased by 22.2%. In 2007, approximately 1 in every 16,470 boys born was named Gregorio. RISING Recent data shows the name is currently rising.