Pauline McLynn (born 11 July 1962) is an Irish character actress and author. She is best known for her roles as Mrs Doyle in the Channel 4 sitcom Father Ted, Libby Croker in the Channel 4 comedy drama Shameless, Tip Haddem in the BBC One comedy Jam & Jerusalem, and Yvonne Cotton in the BBC soap opera EastEnders. McLynn also appeared as a Garda in Sky One's Trollied. McLynn is involved with many charities against the racing and export of greyhounds. She is a patron of Birmingham Greyhound Protection.