Gregorio is a distinctive boys' name in United States, ranking #1558 in 2009 with 105 recorded births. The name reached its all-time peak in 1996 with 162 births ranking #858. Since 1996, the popularity has decreased by 35.2%. In 2009, approximately 1 in every 18,889 boys born was named Gregorio. RISING Recent data shows the name is currently rising.