1839 - 1875 (36 years)
 | James Thomson McCowan 1888-1888 |
| James Thomson McCowan | |
| B: | 16 May 1888 |
| D: | 31 Aug 1888 |
| Scarborough,York Co.,Ontario | |
| John Alexander McCowan 1889-1890 |
| John Alexander McCowan | |
| B: | 26 Dec 1889 |
| Scarborough,York Co.,Ontario | |
| D: | 14 Apr 1890 |
| Scarborough,York Co.,Ontario | |
| Agnes Marion McCowan 1893-1895 |
| Agnes Marion McCowan | |
| B: | 12 Jun 1893 |
| Scarborough,York Co.,Ontario | |
| D: | 1895 |
| Scarborough,York Co.,Ontario | |
| Mary Bena McCowan 1900-1905 |
| Mary Bena McCowan | |
| B: | 19 Apr 1900 |
| D: | 23 Feb 1905 |
| Dr. William Porteus McCowan 1891-1930 |
| Dr. William Porteus McCowan | |
| B: | 7 Feb 1891 |
| Scarborough,York Co.,Ontario | |
| D: | 1930 |
| Winnipeg, Manitoba | |
| Vera Jane Schmidlin 1892-1976 |
| Vera Jane Schmidlin | |
| B: | 1892 |
| Brantford, Ontario | |
| M: | 26 Aug 1920 |
| Toronto, York Co., Ontario | |
| D: | 1976 |
| Unionville, Ontario | |
| Martha Jane McCowan 1896-1929 |
| Martha Jane McCowan | |
| B: | 8 Sep 1896 |
| Ontario, Canada | |
| D: | 27 Jun 1929 |
| Accra, W. Africa | |
| Margaret Thomson 1860-1914 |
| Margaret Thomson | |
| B: | 14 Nov 1860 |
| Scarboro, Ontario | |
| D: | 3 Jun 1914 |
| Scarborough,York Co.,Ontario | |
| George McCowan 1851-1903 |
| George McCowan | |
| B: | 9 Apr 1851 |
| Scarboro, Ontario | |
| M: | 7 Sep 1887 |
| Scarboro, Ontario | |
| D: | 9 Jul 1903 |
| Scarborough,York Co.,Ontario | |
| Agnes Mabel Wheeler 1886- |
| Agnes Mabel Wheeler | |
| B: | 14 Sep 1886 |
| Ontario | |
| Charles Perryman Wheeler 1889- |
| Charles Perryman Wheeler | |
| B: | 11 Sep 1889 |
| Scarborough,York Co.,Ontario | |
| Olive M. Wheeler 1892- |
| Olive M. Wheeler | |
| B: | 16 Jun 1892 |
| Northwest Territories, Canada | |
| Frederick G. Wheeler 1895- |
| Frederick G. Wheeler | |
| B: | 31 Dec 1895 |
| Northwest Territories, Canada | |
| Alfred G. Wheeler 1898- |
| Alfred G. Wheeler | |
| B: | 3 Jan 1898 |
| Manitoba, Canada | |
| William H. Wheeler 1899- |
| William H. Wheeler | |
| B: | 13 Jan 1899 |
| Manitoba, Canada | |
| Ruby M. Wheeler 1894- |
| Ruby M. Wheeler | |
| B: | 1 Jul 1894 |
| Northwest Territories, Canada | |
| Arnold Thomson Wheeler 1888- |
| Arnold Thomson Wheeler | |
| B: | 16 Feb 1888 |
| York Co., Ontario | |
| Harriet Thomson 1862- |
| Harriet Thomson | |
| B: | 24 Jun 1862 |
| Scarboro, Ontario | |
| Henry Wheler 1856- |
| Henry Wheler | |
| B: | 28 Dec 1856 |
| Scarboro, Ontario | |
| M: | 20 Nov 1885 |
| Malvern, York Co., Ontario | |
| Margaret Deyell -1949 |
| Margaret Deyell | |
| D: | 1949 |
| Marion Thomson 1865- |
| Marion Thomson | |
| B: | 30 Aug 1865 |
| Dr. John Alfred Deyell 1865- |
| Dr. John Alfred Deyell | |
| B: | 1865 |
| Abigail Thomson 1871- |
| Abigail Thomson | |
| B: | 1871 |
| Scarborough,York Co.,Ontario | |
| William T A Deyell Abt 1864- |
| William T A Deyell | |
| B: | Abt 1864 |
| Millbrook, Ontario | |
| M: | 11 Jan 1893 |
| Danforth, Ontario | |
| Helen Agnes Dr. Thomson 1909-1956 |
| Helen Agnes Dr. Thomson | |
| B: | 5 Mar 1909 |
| D: | 17 Jan 1956 |
| Scarborough,York Co.,Ontario | |
| Margaret Glendinning Thomson Aft 1903- |
| Margaret Glendinning Thomson | |
| B: | Aft 1903 |
| Dr. John Richard Thomson 1874-1955 |
| Dr. John Richard Thomson | |
| B: | 1874 |
| Scarboro, Ontario | |
| D: | 31 Oct 1955 |
| Scarborough,York Co.,Ontario | |
| Janet Glendinning Paterson 1872-1953 |
| Janet Glendinning Paterson | |
| B: | 11 Apr 1872 |
| Scarborough,York Co.,Ontario | |
| M: | 14 Oct 1903 |
| York Co., Ontario | |
| D: | 11 Nov 1953 |
| Richard Thomson 1870-1871 |
| Richard Thomson | |
| B: | Oct 1870 |
| Scarborough,York Co.,Ontario | |
| D: | Feb 1871 |
| Scarborough,York Co.,Ontario | |
| Agnes Brown 1839-1875 |
| Agnes Brown | |
| B: | 14 May 1839 |
| Peebles, Scotland | |
| D: | 27 Sep 1875 |
| Scarborough,York Co.,Ontario | |
| John Richard Thomson 1836-1886 |
| John Richard Thomson | |
| B: | 31 Dec 1836 |
| Scarborough, York, Upper Canada, British Colonial America | |
| M: | 20 Jan 1860 |
| York Co., Ontario | |
| D: | 3 Jul 1886 |
| Scarborough,York Co.,Ontario | |
