Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Agnes Auchinvole Cowan (1904 - ) |
| Child | John Cowan (1907 - ) |
| Child | Archibald Thomson Cowan (1908 - ) |
| Child | James Buchanan Cowan (1911 - ) |
| Child | Living |
| Child | Living |
| Child | Living |
| Father | John Cowan (1852 - ) |
| Mother | Hannah Stirling Livingstone (1854 - 1899) |
| Sibling | John Cowan (1874 - ) |
| Sibling | Hannah Buchanan Cowan (1876 - ) |
| Sibling | William Cowan (1878 - ) |
| Sibling | Mary Parish Cowan (1883 - 1965) |
| Sibling | Living |