List of Coronation Street characters (1966)Jackie Marsh is a reporter from the local paper who run a story sympathising with David Barlow's controversial sacking from the Weatherfield football club. She comes to Coronation Street in search of his family to give more insight into his early career and ends up running into his brother Ken. After they spend hours talking, the pair become firm friends, enjoying each other's company so much they meet up again. Their friendship gradually intensifies and before either of them stop to think of their actions, they embark on an affair — despite Ken being married to wife Valerie, mother to his children, at the time.
When Elsie Tanner caught them kissing, she warned Ken to end the affair or she would tell Val. Convinced Jackie was his true love, he freely let Elsie expose their deceit. However, he later decided that he had too much of a good thing going with Val to let it go so easily, and although she briefly left him, the Barlows reunited. Jackie never returned to the Street. Provided by Wikipedia