23 February – Frank Filgas, cricketer (born 1926). 25 March – Bob Carlos Clarke, photographer (born 1950). 28 March – Proinsias Ó Maonaigh, fiddle player (born 1922). 30 March – John McGahern, writer (born 1934). April to June 4 April – Denis Donaldson, former member of Sinn Féin who was exposed in 2005 as an MI5 spy (born 1950). 4 April – John de Courcy Ireland, maritime historian and political activist (born 1911). 25 April – John Kerr, singer (b. c1925). 11 May – Michael O'Leary, former Tánaiste and Labour Party leader (born 1936). 13 May – Desmond Surfleet, cricketer (born 1912). 16 May – Clare Boylan, author, journalist and critic (born 1948). 18 May – Michael O'Riordan, veteran of the Spanish Civil War and founder of the Communist Party of Ireland (born 1917). 26 May – Kevin O'Flanagan, physician, rugby and soccer player and Olympic official (born 1919). 19 May – Shay Gibbons, former international soccer player (born 1929). 10 June – Bobby Miller, Gaelic footballer and manager (born 1950). 13 June – Charles Haughey, former Taoiseach and leader of Fianna Fáil (born 1925). 18 June – Luke Belton, former Fine Gael TD (born 1918). 20 June – Michael Herbert, former Fianna Fáil TD and MEP (born 1925). 21 June – Denis Faul, monsignor, Northern Ireland civil rights activist, chaplain to prisoners in Maze Prison during 1981 Irish Hunger Strike (born 1932). 30 June – Dave P. Tyndall, Jr., businessman (born 1917). July to September 5 July – Lewis Glucksman, businessman, philanthropist, patron of the Lewis Glucksman Gallery at UCC (born 1925). 7 July – Mícheál Ó Domhnaill, folk and traditional musician (born 1952). 8 July – Michael Barrett, former Fianna Fáil TD (born 1927). 12 July – Noel Sheridan, 70, actor, artist, Director National College of Art and Design (1979–2003). 12 July – Joe Langan, 63, former Mayo Gaelic footballer. 23 July – Vere Wynne-Jones, 56, RTÉ broadcaster. 28 July – Billy Walsh, soccer player and manager (born 1921). 14 August – John Godley, 3rd Baron Kilbracken, author and journalist (born 1920). 17 August – Ken Goodall, international rugby player (born 1947). 14 September – Seán Ó Tuama, 80, writer and academic. 18 September – Seán Clancy, veteran of the Irish War of Independence (born 1901). 20 September – Tommy Traynor, soccer player (born 1933). September – Mick Haughney, Laois Gaelic footballer. October to December 2 October –