A snippet from one of the folk stories digitised by the National Folklore Collection UCD, detailing the hapless adventures of a man who took some clay for his field from a plot belonging to an abbey in Donegal. "...he took it out of the Abbey plot, and it is said that he was haunted by a plague of rats, which were even jumping out of the pot of porridge on the fire, and at last he had to leave the townland."
I love the stories on duchas.ie - too bad they have so few for Co. Down. I also appreciate that it took this particular chap in Donegal a good while to connect the rats in his porridge with the clay he took from the Abbey plot, but he did get there 😇.