Which significant Sinn Féin politician attended the Dr. McKenna Cup?
Martin McGuinness James Martin Pacelli McGuinness (Irish: "Séamus Máirtín Pacelli Mag Aonghusa" ; 23 May 1950 – 21 March 2017) was an Irish republican and Sinn Féin politician who was the deputy First Minister of Northern Ireland from May 2007 to January 2017.
Seán Carroll Seán Carroll (20 January 1892 – 1 February 1954) was an Irish politician. He was first elected to Dáil Éireann as a Sinn Féin Teachta Dála (TD) for the Limerick constituency at the 1923 general election. He did not take his seat in the Dáil due to Sinn Féin's abstentionist policy. He did not contest the June 1927 general election. He stood as a Clann na Poblachta candidate at the 1948 general election for the Limerick East constituency but was not elected.