Gregorio is a masculine given name of Latin origin, meaning "vigilant" or "wide awake". It is derived from the Latin word "gregorius", which itself is derived from "grex", meaning flock or herd. The name Gregorio was particularly popular among early Christians and has been used throughout history, often associated with prominent figures such as Pope Gregory I, also known as Saint Gregory the Great. In some cultures, Gregorio may also be related to the Gregorian calendar, named after Pope Gregory XIII who introduced it in 1582. Today, Gregorio is still a popular name in many countries, including Spain, Italy, and Latin America, where it is often shortened to familiar forms like Goyo or Grego.
The name Gregorio experienced a single year of popularity with five births recorded in 1951, but overall it has remained relatively uncommon with a total of just five occurrences throughout time.