|The Big Doll House (Women's Penitentiary; Bamboo Dolls House) (1971) [Harrad]: Shot in the back by Letty Mirasol during a jailbreak.
Blood Legacy (Legacy of Blood) (1971) [Leslie Dean]: Reportedly shot to death by her father (John Carradine) outside the house. (I haven't seen this movie myself.) (Thanks to PortsGuy)
Night Gallery: The Tune in Dan's Cafe (1972) [Red]: Killed (off-screen) by James Davidson's ghost after she goes into the cafe; we only hear her screaming over an exterior shot of the cafe.