The ghost, Martha, was named after 2 Allman Brother songs. "In Memory of Elizabeth Reed." And "Little Martha." Her grave reads: "In Memory of Little Martha."
It was filmed entirely in Westchester county New York.
Ghost in the Graveyard used 70 high school extras from the NYC metropolitan area (mainly Westchester and Putnam counties but also Long Island and New Jersey).
The Hebrew writing on the knife Sally's father gives her translates roughly to: Deliver us from Evil.
This is Kelli Berglunds first horror film.
Charlie Comparetto: as strange customer, Stanley Bricker, who visits the hardware store gathering dubious supplies. Later he is seen on a wanted poster in the police station. "Stanley" is named after legendary director Stanley Kubrick.