Namesakes
Robbie Coltrane
(a.k.a. McMillan) (m) 1950-2022 
Notable Actors and Entertainers (actor)
Edwin McMillan
(m) 1907-1991
Nobel Prize Winners 1951 (chemistry)
Notable Scientists and Inventors
Kathy McMillan
(f) 1957-
Olympic Medalists 1976 long jump (silver)
Trillian
(a.k.a. McMillan) (f)
Fictional Characters from Books 1979 The Hitchhiker's Guide to the Galaxy