1873-1948
| Louisa Maria Smithwick | |
| B: | 15 Jun 1873 |
| Foulkstown, Co. Kilkenny, IE | |
| D: | 15 Oct 1948 |
| Old Fairyhouse, Ratoath, Co. Meath, IE | |
1924-2005
| Georgina M. Smithwick | |
| B: | 3 Nov 1924 |
| D: | 25 Jul 2005 |
| Arndale, Crossakiel, Kells, Co. Meath, IE | |
| Patrick J. Sleator | |
| M: | Jul 1949 |
| Kensington, London, UK | |
1875-1943
| George Joseph Smithwick | |
| B: | 3 Dec 1875 |
| Foulkstown, Co. Kilkenny, IE | |
| D: | 29 Apr 1943 |
| Kildare, Co. Kildare, IE | |
1879-1966
| Helen Lowry | |
| B: | 29 Aug 1879 |
| Kildare, Co. Kildare, IE | |
| M: | 1922 |
| D: | 5 Jun 1966 |
| Kildare, Co. Kildare, IE | |
1877-1937
| Florence Mary Smithwick | |
| B: | 7 Oct 1877 |
| Foulkstown, Co. Kilkenny, IE | |
| D: | 1937 |
| Thomas Levins-Moore | |
| M: | 5 Jun 1906 |
| Co. Dublin, IE | |
| Alfred Patrick Smithwick | |
| B: | 11 Feb 1927 |
| Baltimore, MD, US | |
| D: | 14 Nov 1973 |
| Hydes, MD, US | |
1925-2002
| Suzanne de Saussure Whitman | |
| B: | 1925 |
| Baltimore, MD, US | |
| M: | 14 Jan 1950 |
| D: | 4 Feb 2002 |
1925-2002
| Suzanne de Saussure Whitman | |
| B: | 1925 |
| Baltimore, MD, US | |
| M: | 1 Oct 1957 |
| D: | 4 Feb 2002 |
| Daniel Michael Smithwick | |
| B: | 15 Mar 1929 |
| Baltimore, MD, US | |
| D: | 29 May 2006 |
| Hydes, MD, US | |
1879-1945
| Alfred Joseph Smithwick | |
| B: | 25 Aug 1879 |
| Foulkstown, Co. Kilkenny, IE | |
| D: | 1945 |
| Emma Warner | |
| M: | 1923 |
|
1839-1883
| Daniel O'Connell Smithwick | |
| B: | 20 Jan 1839 |
| St. Mary's, Kilkenny, Co. Kilkenny, IE | |
| D: | 19 Oct 1883 |
| Orchardton, Co. Kilkenny, IE | |
1849-1921
| Louisa Caroline Walmesley | |
| B: | 1849 |
| Pilgrim's Hall, Brentwood, Essex, UK | |
| M: | 26 Oct 1869 |
| Greenwich, London, UK | |
| D: | 15 Apr 1921 |