| Male DUNN, Arnold |
| Birth | 20 Mar 1840 | Markham, York, Ontario, Canada |
| Death | 18 Jun 1912 | East Gwillimbury, York, Ontario, Canada |
| Burial | ||
| Marriage | 15 Jan 1873 | Toronto, York, Ontario, Canada |
| Father | ||
| Mother | ||
| Female O'BRIEN, Catherine Alice |
| Birth | 28 Feb 1842 | Ontario, Canada |
| Death | 11 Aug 1930 | Mount Albert, York, Ontario, Canada |
| Burial | ||
| Father | O'BRIEN, Nathaniel | F510 Group Sheet | |
| Mother | MOSHER, Olive | F510 Group Sheet | |
| Female DUNN, Jessie |
| Birth | Mar 1874 | York, Ontario, Canada |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | WILLIAMSON, Joseph | F7275 | |
| Marriage | 3 Jun 1896 | York, Ontario, Canada |