Gregorio is a distinctive boys' name in United States, ranking #1049 in 2000 with 137 recorded births. The name reached its all-time peak in 1996 with 162 births ranking #858. Since 1996, the popularity has decreased by 15.4%. In 2000, approximately 1 in every 14,335 boys born was named Gregorio. RISING Recent data shows the name is currently rising.