Frankenstein's Daughter (1958) takes place in the 1950s and involves Oliver Frank, who is the grandson (not daughter) of Dr. Frankenstein. Frank gives us two different monsters over the course of the film: a traditional Frankenstein's Monster-style creature (pictured on the film's poster) and a non-traditional bug-eyed ugly girl monster. The latter isn't on the poster and isn't really a Frankenstein's Monster (Frank's formula temporarily transforms the film's female protagonist into a hideous beast). She is, however, included in the movie's trailer, and her shabby monster makeup must be seen to be fully appreciated.
Click through to see the film's lurid poster and trailer.