Recurring theme:

The power of religion over vulnerable people

Carrie

Carrie's mother is deeply religious, which causes some developmental problems for Carrie.

The Dead Zone

Johnny Smith's mother, Vera, falls prey to zealots who believe in psychic phenomena.

Revival

The Dark Tower I: The Gunslinger

Sylvia Pittston

Skeleton Crew

Mrs. Carmody in "The Mist"