1901-1909
| Francis Smithwick | |
| B: | 15 Dec 1901 |
| D: | 28 Apr 1909 |
| Co. Kilkenny, IE | |
1903-1966
| Arthur Dominick Smithwick | |
| B: | 25 Feb 1903 |
| Kilcreene, Co. Kilkenny, IE | |
| D: | 2 Jun 1966 |
| Kilkenny, Co. Kilkenny, IE | |
1900-1985
| Sarah J. Smithwick | |
| B: | 21 Mar 1900 |
| Garranakeevin, Youghalarra, Co. Tipperary, IE | |
| M: | 1947 |
| Dublin, Co. Dublin, IE | |
| D: | 9 Oct 1985 |
1945-1994
| Marilyn Christina Carol Smithwick | |
| B: | 23 Dec 1945 |
| D: | 13 Nov 1994 |
1905-1974
| Col. Harold Stanislaus Smithwick, OBE | |
| B: | 15 Apr 1905 |
| D: | 17 Sep 1974 |
| Phyllis Mary Pegge | |
| M: | 5 May 1938 |
1934-2014
| Ann Patricia Smithwick | |
| B: | 9 Nov 1934 |
| Kilcreene Lodge, Co. Kilkenny, IE | |
| D: | 27 May 2014 |
| London, UK | |
| Peter Alexander Smithwick | |
| B: | 15 Feb 1937 |
| Kilcreene Lodge, Co. Kilkenny, IE | |
| D: | 8 Mar 2022 |
| Kilkenny, Co. Kilkenny, IE | |
| Deirdre Anne Cooper | |
| M: | 5 Jul 1974 |
| Michael Anthony Smithwick | |
| B: | 16 Nov 1939 |
| Kilcreene Lodge, Co. Kilkenny, IE | |
| D: | 31 Aug 2013 |
| Reidsville, NC, US | |
| Garrett Donald H. O'Doherty | |
| B: | 1936 |
| Co. Dublin, IE | |
| D: | 29 Oct 2020 |
| Athboy, Co. Meath, IE | |
| Paul Benedict Smithwick, OBE | |
| B: | 22 Jan 1946 |
| Kilcreene Lodge, Co. Kilkenny, IE | |
| D: | 24 Feb 2022 |
| Kilcreene Lodge, Co. Kilkenny, IE | |
1948-2002
| John Walter Smithwick | |
| B: | 13 Dec 1948 |
| Kilcreene Lodge, Co. Kilkenny, IE | |
| D: | 31 Aug 2002 |
1908-1993
| Walter Aloysius Smithwick | |
| B: | 13 Oct 1908 |
| D: | 9 Apr 1993 |
-1982
| Eileen Mary Savage | |
| B: | London, UK |
| M: | 8 Feb 1934 |
| Marylebone, London, UK | |
| D: | 1 Jan 1982 |
|
1869-1930
| James Joseph Smithwick | |
| B: | 3 Aug 1869 |
| D: | 1 Apr 1930 |
| Kilcreene Lodge, Co. Kilkenny, IE | |
1877-1959
| Gertrude Mary Josephine Boland | |
| B: | 1877 |
| Co. Dublin, IE | |
| M: | 25 Apr 1900 |
| D: | 21 Jul 1959 |
| Co. Dublin, IE | |