| Albert Manifold | Director | 1 Jul 2007 | 16 Apr 2009 | Irish | 64 years |
| Andrew B Magowan | Director | 19 May 1958 | 29 Oct 1999 | British | 82 years |
| Anthony Michael O'loghlen | Director | 19 May 1958 | 31 Jan 2007 | Irish | 80 years |
| Brian E. Griffin | Director | 19 May 1958 | 8 Apr 2003 | Irish | 84 years |
| Charles Ernest Stewart Mcclure | Director | 19 May 1958 | 30 Jun 2006 | British | 85 years |
| Daniel John Godson | Director | 19 May 1958 | 31 Dec 1999 | Irish | 87 years |
| Darren Mcmillan | Director | 1 Oct 2020 | 1 Jun 2023 | British | 54 years |
| Declan William Doyle | Director | 13 Mar 2003 | 30 Jun 2007 | Irish | 80 years |
| Denise Murphy | Secretary | 1 Jan 2014 | 31 Oct 2025 | - | - |
| Donal James Dempsey | Director | 13 Mar 2003 | 26 Nov 2009 | Irish | 76 years |
| Edward F Mcbriar | Director | 19 May 1958 | 31 Dec 2003 | British | 83 years |
| Edward Sweeney | Director | 24 Jun 2004 | 30 Sept 2020 | British | 69 years |
| Henry Morris | Director | 31 Jan 2007 | 7 Aug 2014 | Irish | 72 years |
| Hugh Alexander Graham Mcquillan | Director | 1 Jul 1997 | 5 Apr 2016 | British | 70 years |
| James Mintern | Director | 30 Apr 2010 | 7 Aug 2014 | Irish | 59 years |
| John Robert Gillvray | Director | 19 May 1958 | 31 Mar 2006 | British | 83 years |
| Kenneth Mc Knight | Director | 26 Nov 2009 | 24 Nov 2015 | Irish | 73 years |
| Lenora Elizabeth Moore | Director | 4 Feb 2022 | 1 Jun 2023 | British | 52 years |
| Maura Toles | Director | 31 Oct 2025 | 31 Oct 2025 | Irish | 63 years |
| Michael Wightman | Director | 11 Nov 2008 | 17 Dec 2020 | British | 65 years |
| Nathanial John Wilson | Director | 1 Jan 2013 | 31 Oct 2025 | British | 64 years |
| Oliver Mahon | Director | 1 May 2016 | 31 Dec 2021 | Irish | 58 years |
| Owen Rowley | Director | 7 Aug 2014 | 1 May 2016 | Irish | 62 years |
| Pamela Ann Bingham | Director | 17 Dec 2020 | 2 Sept 2021 | British | 57 years |
| Ralph Osmund Clarke | Director | 19 May 1958 | 30 Apr 2006 | British | 81 years |
| Raymond Arnold Reilly | Secretary | 19 May 1958 | 9 Apr 2009 | Irish | - |
| Raymond Arnold Reilly | Director | 19 May 1958 | 9 Apr 2009 | British | 77 years |
| Richmond Mark Lowry | Director | 24 Jun 2004 | 7 Aug 2014 | British | 67 years |
| Ronald Mcintyre | Director | 19 May 1958 | 31 Jul 1999 | British | 85 years |
| Seamus Lynch | Director | 7 Aug 2014 | 21 Dec 2016 | Irish | 66 years |
| Tom Healy | Director | 7 Aug 2014 | 31 Oct 2025 | Irish | 63 years |
| William John Andrew Donnan | Director | 16 Apr 2009 | 31 Oct 2025 | British | 57 years |
| William Michael Mcnabb | Director | 2 Aug 1999 | 31 Dec 2009 | Brirish | 73 years |
| William Noel Quinn | Director | 1 Jan 1995 | 31 Dec 2012 | British | 77 years |
| Wilson Ervin | Director | 19 May 1958 | 31 Dec 1998 | British | 103 years |