1860 - 1914 (53 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 | |
