Gregorio is a distinctive boys' name in United States, ranking #1057 in 2001 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 2001, approximately 1 in every 14,181 boys born was named Gregorio. RISING Recent data shows the name is currently rising.