1909-1967
| WILLIAMSON, John Arthur | |
| B: | 15 Sep 1909 |
| Ontario, Canada | |
| D: | 16 Aug 1967 |
| Ontario, Canada | |
1911-1987
| FAIRBARN, Anna Lena | |
| B: | 2 Nov 1911 |
| East Gwillimbury, York, Ontario, Canada | |
| D: | 4 Dec 1987 |
| Pefferlaw, Ontario, Canada | |
1874-Yes, date unknown
| DUNN, Jessie | |
| B: | Mar 1874 |
| York, Ontario, Canada | |
| D: | Yes, date unknown |
1874-1932
| WILLIAMSON, Joseph | |
| B: | 5 Aug 1874 |
| Ontario, Canada | |
| M: | 3 Jun 1896 |
| York, Ontario, Canada | |
| D: | 11 Aug 1932 |
| York, Ontario, Canada | |
|
1842-1930
| O'BRIEN, Catherine Alice | |
| B: | 28 Feb 1842 |
| Ontario, Canada | |
| D: | 11 Aug 1930 |
| Mount Albert, York, Ontario, Canada | |
1840-1912
| DUNN, Arnold | |
| B: | 20 Mar 1840 |
| Markham, York, Ontario, Canada | |
| M: | 15 Jan 1873 |
| Toronto, York, Ontario, Canada | |
| D: | 18 Jun 1912 |
| East Gwillimbury, York, Ontario, Canada | |