Eileen Grimshaw (also Phelan) is a fictional character from the British ITV soap opera Coronation Street. Portrayed by Sue Cleaver, the character first appeared on-screen during the episode airing on 3 May 2000. Her storylines have often included her relationships with Dennis Stringer (Charles Dale), Ed Jackson (Chris Walker), Pat Stanaway (Sean Hughes), Jerry Morton (Michael Starke), Jesse Chadwick (John Thomson), Paul Kershaw (Tony Hirst), Adrian Mortimer (Mark Moraghan) and Michael Rodwell (Les Dennis), as well as her marriage to serial criminal mastermind Pat Phelan (Connor McIntyre). The character also appeared in the mini-episode crossover between Coronation Street and rival soap EastEnders entitled East Street screened on 19 November 2010 in aid of children's charity Children In Need. In 2011, it was revealed that she and half-sister Julie Carp (Katy Cavanagh) were related to Coronation Street icon, Elsie Tanner (Pat Phoenix), as Elsie's first cousin, Arnley Grimshaw, was their paternal grandfather. In 2018, Cleaver took a temporary break from the show.