The Islandmagee witch trial took place in 1710–1711 on Islandmagee in what is today Northern Ireland. It is believed to have been the last witch trial to take place in Ireland. The trial was caused by a phenomenon of poltergeists and possession in the house of a Mrs Haltridge. In 1710, Mrs Haltridge had been affected by poltergeists. She had been unable to get any sleep, clothes had been thrown around the house, and a boy had shown himself to her, and vanished. One night, she was heard screaming that she was being attacked with a knife, and was later found dead. In 1711, Mrs Haltridge the Younger, daughter-in-law of the deceased Mrs Haltridge, was visited by one Mary Dunbar. Dunbar was also tormented by the poltergeists, an apron with "witches' knots" was found, and Dunbar claimed to be at