John Jacob "Jackie" Merrick was a fictional character in the British soap opera Emmerdale played by Ian Sharrock. However, Jackie was originally seen as a young boy in the earliest episodes of Emmerdale Farm before returning as a regular character in 1980. He was the son of Pat Merrick. a former lover of Jack Sugden.
In 1985, Jackie almost died after being run over by Alan Turner while fixing his motorbike. During his slow recovery after waking from a coma, he finally acknowledged Jack, with whom he'd been feuding prior to the accident, as his father by referring to him as "Dad".
Jackie married Kathy Bates in 1988 but the marriage didn't last very long as Jackie was killed the following year, in an accident while he and Seth Armstrong were hunting for a £10 bet. Jackie tried to take a shotgun out of his car, but it got caught and went off by mistake, killing him in the process.