What does Gregorio mean?
Gregorio \g-rego-rio, gr(e)-gorio\ as a boys' name is pronounced greh-GORE-ee-oh. It is of Italian, Spanish, Portuguese and Greek origin, and the meaning of Gregorio is "watchful, vigilant". Variant of Gregory.
Gregorio is a very prominent first name for men (#585 out of 1220, Top 48%) and also a very prominent surname for all people (#8151 out of 150436, Top 5%). (2000 U.S. Census)
Shown below is the baby name popularity of Gregorio for boys. Gregorio entered the list in 1890-1899 and reached its apex position of #422 in the U.S. during the years 1920-1929, but is not found in the list at the moment. (Top 1000 Baby Names Records, 2014)
Below is a graphed analysis of the popularity of the boy name Gregorio and affiliated names. Prominent varying forms of Gregorio are Greg, Gregg, Greggory, Gregor and Gregory (#316 a year ago). Usage of these boy names reached its peak during 1960-1969 (usage of 0.5328%) and is now significantly lower (usage 0.114%, down 78.6%), with the versions Greg, Gregg, Greggory and Gregorio becoming less fashionable. Gregory (#316) is the most trendy boy name among these. (Top 1000 Baby Names Records, 2014)