1817 - 1879 (62 years)
 | Alice Isobel Cowin 1896-1950 |
| Alice Isobel Cowin | |
| B: | 15 Mar 1896 |
| Douglas, Isle of Man | |
| D: | 1950 |
| Ramsey, Isle of Man | |
 | Horace Thomas Walker 1898-1957 |
| Horace Thomas Walker | |
| B: | 4 Feb 1898 |
| Islington, London, England | |
| M: | 1920 |
| All Saints, Douglas, Isle of Man | |
| D: | 21 Jun 1957 |
| Onchan, Isle of Man | |
| Greta Mary Cowin 1895-1987 |
| Greta Mary Cowin | |
| B: | 19 Mar 1895 |
| D: | 11 Jan 1987 |
| Auckland, New Zealand | |
| Robert Daniel Cowin 1900-1956 |
| Robert Daniel Cowin | |
| B: | 30 Aug 1900 |
| Douglas, Isle of Man | |
| D: | 16 Jan 1956 |
| Nobles Isle of Man Hospital and Dispensary, Douglas, | |
| Thomas Collister Cowin 1899-1955 |
| Thomas Collister Cowin | |
| B: | 22 Mar 1899 |
| Prospect Hill, Douglas, Isle of Man | |
| D: | 20 Mar 1955 |
| Nobles Isle of Man Hospital and Dispensary, Douglas, Isle of Man | |
| Katharine Elizabeth Cowin 1905-2000 |
| Katharine Elizabeth Cowin | |
| B: | 2 Aug 1905 |
| Onchan, Isle of Man | |
| D: | 5 Jun 2000 |
 | Alice Collister 1861-1939 |
| Alice Collister | |
| B: | 18 Sep 1861 |
| Braddan, Isle Of Man | |
| D: | 12 Jan 1939 |
| Douglas, Isle of Man | |
 | Robert Daniel Cowin 1848-1917 |
| Robert Daniel Cowin | |
| B: | 3 Jan 1848 |
| Isle of Man | |
| M: | 30 Apr 1893 |
| D: | 19 Oct 1917 |
| Isle of Man | |
 | William Henry Collister 1863- |
| William Henry Collister | |
| A: | 4 Jan 1863 |
| Braddan, Isle of Man | |
| Eleanor Costain 1840-1863 |
| Eleanor Costain | |
| A: | 28 Oct 1840 |
| St Mary's, Castletown, Isle of Man | |
| D: | 8 Nov 1863 |
| Braddan, Isle of Man of Kewaigue | |
| William Collister 1832-1912 |
| William Collister | |
| A: | 17 Jun 1832 |
| St George, Douglas, Isle of Man | |
| M: | 13 Dec 1860 |
| Braddan, Isle Of Man | |
| B: | 2 Sep 1912 |
| Onchan, Isle of Man of The Quinta, Victoria Road, Douglas, Isle of Man | |
| Margaret Moore 1817-1879 |
| Margaret Moore | |
| B: | 1817 |
| D: | 22 Jun 1879 |
| Castletown, Isle of Man | |
