| Gadbois, Charles-Émile, abbé, 1906-1981 | CH043 |
| Gadbois, Raoul Donat, 1912-2002 | CH204 |
| Gagnon, Ferdinand, 1849-1886 | CH310 |
| Gagnon, Joseph, 1907- | CH272 |
| Gagnon, Lucie, 1927- | CH147 |
| Gare de Saint-Simon de Bagot | CH210 |
| Gare du Grand Trunk de Saint-Hyacinthe | CH245 |
| Gaudreau, Adélard, 1868- | CH327 |
| Gauthier, Gaston, famille | CH568 |
| Gauthier, Rosario | CH467 |
| Gemme-Poulin, Hélène, | CH471 |
| Gendron, Clément, abbé, 1913-1998 | CH083 |
| Gendron, Jacques-Antoine-Honorat, abbé, 1886-1944 | CH032 |
| Gendron, Pierre-Saül, abbé, 1852-1931 | CH023 |
| Généalogies | CH360 |
| Gervais, Alphonse, abbé, 1894-1947 | CH017 |
| Giard, Donat et Honorine, 1897-1971 et 1894-1978 | CH183 |
| Giard, Gilles, 1920-1997 | CH199 |
| Gilbert, Charles, 1916- | CH402 |
| Gingras, Paul, [?]-1977 | CH271 |
| Girard, Alphonse, jr, abbé, 1915-2000 | CH233 |
| Girard, Francine | CH560 |
| Girard, Grégoire | CH238 |
| Girard, Louis-Émile, chanoine, 1901-1976 | CH313 |
| Girouard, Daniel, 1953- | CH129 |
| Girouard, Gaston, Mgr, 1905-1981 | CH071 |
| Girouard, Raymond, 1912- | CH392 |
| Giroux, Louis-Arthur, 1893-1945 | CH335 |
| Godbout, Gérard, 1925-2020 | CH477 |
| Godin, André, famille | CH578 |
| Gouin, Antonio, abbé, 1892-1970 | CH277 |
| Grégoire, Paul, Mgr, 1911-1993 | CH262 |
| Groupe Commerce | CH504 |
| Guay, Donald, 1934- | CH186 |
| Guerre mondiale, Seconde | CH279 |
| Guertin, Gilles, 1948-2000 | CH189 |
| Guertin, Jean-Baptiste-Arthur, père, 1868-1932 | CH040 |
| Guillet, Paul, 1888-1965 | CH176 |
