Namesakes
Fictional Characters from Books:
1 character
Gregor Samsa 1915 The Metamorphosis 
Notable Actors and Entertainers:
1 actor/comedian
Gregor Fisher 1953-
Notable Filmmakers:
1 director
Gore Verbinski 1964-
Notable Scientists and Inventors:
1 biologist
Gregor Mendel 1822-1884
Olympic Medalists:
1 bronze/gold/silver
(bronze/gold/silver) Gregor Schlierenzauer 2010; 2014 ski jumping
Saints:
1 blessed
Blessed Hryhoriy Lakota (a.k.a. Gregor) 1883-1950