Leatherface: The Texas Chainsaw Massacre III (1990)[Sally Hardesty]: Marilyn does not actually appear in this film, but it's stated that her character from the original 1974 The Texas Chain Saw Massacre died in an asylum between films. (Thanks to PortsGuy)
Texas Chainsaw(2013) Texas Chainsaw 3D) [Verna Sawyer]: Dies (off-screen) of an unspecified illness. Her body is shown afterwards when Alexandra Daddario discovers her in the bedroom, after Dan Yeager had dug up her grave and returned her to the house. (Thanks to Tommy and Tim)
Community content is available under CC-BY-SA unless otherwise noted.