Namesakes
Gregorio of Verucchio
(m) 1225-1343 
Saints
Gregorio Barbarigo
(m) 1625-1697
Saints
Gregorio Grassi
(m) 1833-1900
Saints
Pedro Armendáriz
(a.k.a. Gregorio) (m) 1912-1963
Notable Actors and Entertainers (actor)