John Flaherty is the son of Sean and Maggie Flaherty. He made his first appearance 22 September 1997 and last on 25 September 1997.
Backstory[]
John works as a labourer, using a road drill. He never speaks, which his niece Mary Flaherty says she doesn't mind, as the house is noisy enough as it is. She later says she thinks he had had a lobotomy.