Big Tom And The Mainliners Was A Country And Irish Showband From The Castleblayney Area Of County Monaghan Ireland. Tom McBride Castleblayney County Monaghan Ireland 18 September 1936 - 17 April 2018 Also Known As Big Tom Was An Irish Country Music Singer Guitarist And Saxophone Player. Established Since 1966 He Was The Front Man Of The Irish Showband Big Tom And The Mainliners. He Is Affectionally Known As 'Ireland's King Of Country Music' Members Big Tom Seamus McMahon Henry McMahon John Beattie Ginger Morgan Ronie Duffy Former Members Cyril McKevitt RIP Robert Browne Dermot McBride Peter McCarthy