| Name | Relationship with Isabella de Taillefer | Civil | Canon |
|---|
| Lummis, Elizabeth Fries | Wife of the 19th great-grandson | | |
| Wife of the 20th great-grandson | | |
| Lunan, Ann | Wife of the 19th great-grandson | | |
| Wife of the 20th great-grandson | | |
| Lycett, Mary Foster | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| MaBee, Anthony Vinn | 23rd great-grandson | XXV | 25 |
| 24th great-grandson | XXVI | 26 |
| MaBee, Bonnita Lee | 24th great-granddaughter | XXVI | 26 |
| 25th great-granddaughter | XXVII | 27 |
| MaBee, Karen Louise | 23rd great-granddaughter | XXV | 25 |
| 24th great-granddaughter | XXVI | 26 |
| MaBee, Louis Franklin | 23rd great-grandson | XXV | 25 |
| 24th great-grandson | XXVI | 26 |
| MaBee, Robert | Husband of the 22nd great-granddaughter | | |
| Husband of the 23rd great-granddaughter | | |
| MaBee, Robert Ervin | 23rd great-grandson | XXV | 25 |
| 24th great-grandson | XXVI | 26 |
| MaBee, Robert Ervin III | 24th great-grandson | XXVI | 26 |
| 25th great-grandson | XXVII | 27 |
| MaBee, Russell Martin | 24th great-grandson | XXVI | 26 |
| 25th great-grandson | XXVII | 27 |
| MaBee, Tracey Elaine | 24th great-granddaughter | XXVI | 26 |
| 25th great-granddaughter | XXVII | 27 |
| Mackey, John Albert | Husband of the 25th great-granddaughter | | |
| Husband of the 26th great-granddaughter | | |
| Mackey, Leslie Anne | 26th great-granddaughter | XXVIII | 28 |
| 27th great-granddaughter | XXIX | 29 |
| Maclean, Kenneth | Husband of the 18th great-granddaughter | | |
| Husband of the 19th great-granddaughter | | |
| Maclean, Mary Ann | 19th great-granddaughter | XXI | 21 |
| 20th great-granddaughter | XXII | 22 |
| Mardee | Ex-wife of the 24th great-grandson | | |
| Ex-wife of the 25th great-grandson | | |
| Margaret | Granddaughter | II | 2 |
| Margaret | Great-granddaughter | III | 3 |
| Margaret | 3rd great-granddaughter | V | 5 |
| Marshall, Isabella | Daughter-in-law | | |
| Martin, Alvin | Husband of the 22nd great-granddaughter | | |
| Husband of the 23rd great-granddaughter | | |
| Martin, Nina Polk | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Mary | Great-granddaughter | III | 3 |
| Mary | 2nd great-granddaughter | IV | 4 |
| Mary | 3rd great-granddaughter | V | 5 |
| Masson, Bessie Beatrice | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Matheson, Margaret Agnes | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Maud | 2nd great-granddaughter | IV | 4 |
