| Name | Birth date | Relationship with Barbara MacDonald |
|---|
| | | Half 7th cousin twice removed |
| MacDonald, Clara | 1874 | Half granduncle |
| MacDonald, Florence | | Aunt |
| MacDonald, Florence | | Half 1st cousin once removed |
| MacDonald, Florence | | Half grandaunt |
| MacDonald, George Taft | 11 February 1929 | Brother |
| | | Half 7th cousin |
| MacDonald, Ian Robert | 12 November 1961 | Nephew |
| | | Half 7th cousin once removed |
| MacDonald, Julie | 29 November 1963 | Niece |
| | | Half 7th cousin once removed |
| MacDonald, Kelly | 29 November 1960 | Niece |
| | | Half 7th cousin once removed |
| MacDonald, Kinsey Elizabeth | 11 July 1995 | Grandniece |
| | | Half 7th cousin twice removed |
| MacDonald, Leslie | 11 February 1967 | Niece |
| | | Half 7th cousin once removed |
| MacDonald, Louise | 1861 | Half grandaunt |
| MacDonald, Michele | 30 August 1962 | Niece |
| | | Half 7th cousin once removed |
| MacDonald, Peter Alexander | 25 October 1835 | Husband of the great-grandmother |
| MacDonald, Peter Ronald | 1868 | Half granduncle |
| MacDonald, Robert Alexander | 03 September 1930 | Brother |
| | | Half 7th cousin |
| MacDonald, Robert Allan | | Grandfather |
| MacDonald, Robert Ralsey | 09 June 1897 | Father |
| | | Husband of the half 6th cousin once removed |
| MacInstosh, Jane | | 2nd great-grandmother |
| Margery ( ?) | | 10th great-grandmother |
| Mary | 1623 | 9th great-grandmother |
| Mather, Elizabeth | Abt. 1610 | 7th great-grandmother |
| Mather, Richard | 1596 | 7th great-granduncle |
| Mather, Thomas | Abt. 1545 | 8th great-grandfather |
| Molyneux, Jane | Abt. 1512 | 10th great-grandmother |
| Molyneux, Richard | | 11th great-grandfather |
| Moses, Adam, Captain | 04 August 1731 | 4th great-grandfather |
| Moss, Jane | Abt. 1599 | 9th great-grandmother |
| Pabodie, Mary (Peabody) | 22 May 1656 | 7th great-grandmother |
| Partridge, Deborah | 16 August 1662 | 6th great-grandmother |
| Partridge, John | 1620 | 7th great-grandfather |
| Penny, Cicely | | 7th great-grandmother |
| Penny, Henry | 21 February 1600/01 | 8th great-grandfather |
| Penny, William | 1539 | 9th great-grandfather |
| Phelps, George | | Husband of the 7th great-grandmother |
| Phelps, Jacob | | Half 6th great-granduncle |
| Phelps, Nathaniel | | Half 6th great-granduncle |
| Phillips, Joanna | 1628 | 8th great-grandmother |
| Plimpton, Polly | | 2nd great-grandmother |
| | | Wife of the half 3rd cousin 4 times removed |
| Plympton, John | 15 January 1797 | 3rd great-grandfather |
