 McGill returned to Ireland in 2004 and joined League of Ireland Premier Division side Dublin City.McGill broke into the Vikings first team upon his return, but was one of 14 players released by new Vikings boss Roddy Collins in a mid-season cull for the League of Ireland Premier Division strugglers.McGill joined Leinster Senior League side Mount Merrion YMCA for the remainder of the 2004 season before rejoining Dublin City for the 2005 season.