| Father |
| McDougall, William | October 31, 1842 | April 8, 1906
| Mother |
| McDonald, Sarah Elizabeth Sally | June 1837 | November 29, 1917
| Brother |
McDougall, John Archibald McDonald |
October 19, 1866 |
February 9, 1868 |
|
| Brother |
McDougall, Alexander |
August 5, 1868 |
1957 |
|
| Sister |
McDougall, Martha Ann |
January 5, 1870 |
1936 |
|
| |
McDougall, Hannah Ellis |
May 11, 1872 |
July 1, 1881 |
|
| Brother |
McDougall, William Henry Crawford |
November 8, 1875 |
June 25, 1880 |
|
| Brother |
McDougall, Horatio Nelson |
August 25, 1876 |
June 12, 1962 |
|
| Brother |
McDougall, Louis Napoleon |
May 14, 1878 |
July 7, 1880 |
|
| Brother |
McDougall, William James Bryanton |
February 4, 1882 |
1955 |
|