Seán McGuinness (died 28 October 1978), born John McGuinness, was an Irish republican who fought in the Irish War of Independence as well as the Irish Civil War. After the wars, he was elected to Dáil Éireann but did not take his seat and was later disqualified for allegedly assaulting a member of the Garda Siochana. Following a period of exile in the United States, McGuinness returned to Ireland where he resumed his member of the IRA and continued to push for radical action as well as becoming a founder of the Saor Éire party. Over the years, McGuinness repeatedly clashed with the leadership of the IRA over the direction they should take in the post-Civil War era, with McGuinness being amongst those in the IRA who believed the organisation needed to be tied to social issues in order to re