| Name | Birth date | Relationship with Sean Mulcahey |
| | | Husband of the 5th cousin 4 times removed |
| | | Husband of the 4th cousin 6 times removed |
| | | Husband of the 5th cousin 5 times removed |
| Gaudette, Philomene Madelaine | October 02, 1858 | 2nd great-grandmother |
| | | 5th cousin 4 times removed |
| | | 6th cousin 3 times removed |
| | | 5th cousin 5 times removed |
| | | 6th cousin 4 times removed |
| Gaudin, Al. | Abt. 1650 | 9th great-grandfather |
| Gaudin, Marie-Josephte | Abt. 1680 | 8th great-grandmother |
| Gaudry, Jacques | | 8th great-grandfather |
| Gaudry, Marie-Jeane | | 7th great-grandmother |
| Gaudry, Nic. | | 9th great-grandfather |
| Gaultier, Jean | | 9th great-grandfather |
| Gaumont, Madeleine | | 9th great-grandmother |
| Gautier, Catherine | | 8th great-grandmother |
| Gawlick, Jo Anne | March 08, 1959 | Ex-wife of the grandfather |
| | | Ex-wife of the 7th cousin twice removed |
| | | Ex-wife of the 8th cousin once removed |
| | | Ex-wife of the 7th cousin 3 times removed |
| | | Ex-wife of the 8th cousin twice removed |
| Gazaille, Jean | | 9th great-grandfather |
| Gazaille, Jean | Abt. 1665 | 8th great-grandfather |
| Gazaille, Jean-Baptiste | Bef. 1783 | 7th great-grandfather |
| | | Husband of the 1st cousin 8 times removed |
| | | Husband of the 1st cousin 9 times removed |
| Gazaille, Jean-Baptiste | Bef. 1798 | 6th great-grandfather |
| | | 2nd cousin 7 times removed |
| | | 2nd cousin 8 times removed |
| | | Husband of the 2nd cousin 8 times removed |
| Gazaille, Marie-Urs. | Bef. 1813 | 5th great-grandmother |
| | | 3rd cousin 6 times removed |
| | | 3rd cousin 7 times removed |
| Gendron, Mar. | | 9th great-grandmother |
| Geoffrion, Margte | Bef. 1813 | 5th great-grandmother |
| | | 2nd cousin 7 times removed |
| | | 3rd cousin 6 times removed |
| | | 3rd cousin 7 times removed |
| Giarusso, Lina | January 1959 | Wife of the 2nd cousin twice removed |
| Gigi | | Wife of the granduncle |
| | | Wife of the 7th cousin twice removed |
| | | Wife of the 8th cousin once removed |
| | | Wife of the 7th cousin 3 times removed |
| | | Wife of the 8th cousin twice removed |
| Girou, Claude | Bef. 1753 | 9th great-grandmother |
| Girouard, Adeline | Abt. 1835 | 3rd great-grandmother |
| Girouard, François | Abt. 1775 | 5th great-grandfather |
| Girouard, François | Abt. 1805 | 4th great-grandfather |
| Girouard, Jacques | Abt. 1745 | 6th great-grandfather |
| Girouard, Josephte | Abt. 1725 | 6th great-grandmother |