1862 - 1943 (~ 80 years)
 | Helen Fair Thomson 1927- |
| Helen Fair Thomson | |
| B: | 17 Feb 1927 |
| Calgary | |
| Lundy Ross McIlveen 1915- |
| Lundy Ross McIlveen | |
| B: | 27 Feb 1915 |
| Banff, AB | |
| M: | Oct 1951 |
| Calgary | |
| John Henry Reginald Thomson | |
| B: | 29 Oct 1894 |
| St. Thomas, Ontario | |
| Agnes Fair 1901-1968 |
| Agnes Fair | |
| B: | 28 Sep 1901 |
| Clinton, ON | |
| M: | 3 Jun 1926 |
| Calgary | |
| D: | 5 Feb 1968 |
| Calgary | |
| Farley Mowat 1920- |
| Farley Mowat | |
| B: | 12 May 1920 |
| Belleville, Ontario | |
| Claire Wheeler | |
| M: | 1965 |
| Francis Thornhill | |
| M: | 1948 |
| Helen Ann Gillian Thomson | |
| B: | 3 Jun 1896 |
| Ridgetown, Ontario | |
| Angus McGill Mowat 1892- |
| Angus McGill Mowat | |
| B: | 19 Nov 1892 |
| Trenton, Ontario | |
| M: | 28 May 1919 |
| Port Arthur, Thunder Bay, Ontario | |
| Frances McMahon Thomson 1898- |
| Frances McMahon Thomson | |
| B: | 1 Apr 1898 |
| Ridgetown, Ontario | |
| Charles Edgerton Geddes Thomson | |
| B: | 6 Oct 1900 |
| Ridgetown, Ontario | |
| Turner Farley Thomson 1902-1919 |
| Turner Farley Thomson | |
| B: | 23 Oct 1902 |
| Ridgetown, Ontario | |
| D: | 1919 |
| Mt McKay | |
| Arthur Hugh Thomson 1913- |
| Arthur Hugh Thomson | |
| B: | 6 Mar 1913 |
| Trenton, Ontario | |
| Ida Jean Sears 1916-1993 |
| Ida Jean Sears | |
| B: | 9 Nov 1916 |
| Beaconsfield, Quebec | |
| M: | 25 Jul 1942 |
| Montreal | |
| D: | 1993 |
| Grenada | |
|
| Henry Andrew Hoffman Thomson 1862-1943 |
| Henry Andrew Hoffman Thomson | |
| B: | Dec 1862 |
| Elora, Ontario | |
| D: | 29 Mar 1943 |
| Montreal, Quebec | |
| Georgianna Phillips Farley 1872-1955 |
| Georgianna Phillips Farley | |
| B: | Apr 1872 |
| St. Thomas, Ontario | |
| M: | 16 Sep 1893 |
| St. Thomas, Elgin Co., Ontario | |
| D: | 1955 |
| Richmond Hill, Ontario | |
