|Masterpiece Playhouse: Hedda Gabler (1950) [Hedda Gabler]: Commits suicide by shooting herself in the head.
Alfred Hitchcock Presents: The Glass Eye (1957) [Julia Lester]: Dies (off-screen) of unspecified natural causes, shortly before the episode begins; the story begins with a framing sequence of her cousins (William Shatner and Rosemary Harris) going through her belongings after her death, and William tells her story in flashback.
The Moon and Sixpence (1959) [Blanche Stroeve]: Commits suicide (though I don't know the details).
To Dance with the White Dog (1993) [Cora Peek]: Dies of a heart attack.
Nobody's Fool (1994) [Beryl Peoples]: Dies (off-screen) of old age/natural causes.