| Name | Birth date | Relationship with Sean Mulcahey |
| Brodeur, Jean | | 9th great-grandfather |
| Brodeur, Jean-Baptiste | Bef. 1768 | 8th great-grandfather |
| | | Husband of the 8th great-grandaunt |
| Brodeur, Jean-M. | Bef. 1783 | 7th great-grandfather |
| | | 1st cousin 9 times removed |
| Brousseau, Kevin Warren | February 25, 1974 | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |
| Brousseau, Lynn Marie | December 23, 1969 | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |
| Brousseau, Warren Erving | July 19, 1950 | Husband of the 1st cousin once removed |
| | | Husband of the 8th cousin once removed |
| | | Husband of the 9th cousin |
| | | Husband of the 8th cousin twice removed |
| | | Husband of the 9th cousin once removed |
| Bruso, Melissa | July 23, 1986 | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |
| Bruso, Robert | December 05, 1983 | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |
| Bruso, William | | Husband of the 1st cousin once removed |
| | | Husband of the 8th cousin once removed |
| | | Husband of the 9th cousin |
| | | Husband of the 8th cousin twice removed |
| | | Husband of the 9th cousin once removed |
| Bruyère, Mar. | Abt. 1655 | 9th great-grandmother |
| Burns, Thomas Joseph | April 01, 1953 | Husband of the half 2nd cousin once removed |
| Butáud, Cl. | Abt. 1670 | 8th great-grandmother |
| Butaud, Pierre | Abt. 1630 | 9th great-grandfather |
| Cadieu, Antoine | Bef. 1798 | 6th great-grandfather |
| | | Husband of the 2nd cousin 8 times removed |
| Cadieu, Jean | | 8th great-grandfather |
| Cadieu, Jean | | 9th great-grandfather |
| Cadieu, Jean-Baptiste | | 7th great-grandfather |
| Cadieux, Marie-Urs. | Bef. 1813 | 5th great-grandmother |
| | | 3rd cousin 7 times removed |
| | | Wife of the 2nd cousin 8 times removed |
| | | Wife of the 3rd cousin 7 times removed |
| Cadorette, Minnie | | Wife of the great-granduncle |
| Caron, Marg. | Abt. 1670 | 9th great-grandmother |
| Carrie | | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |