| Name | Marie-Marguerite Roy | |
| Birth | 4 Mar 1741 | Charlesbourg, Québec, New France [1] |
| Christening | 4 Mar 1741 | Église Saint-Charles-Borromée, Charlesbourg, Québec, New France![]() Église Saint-Charles-Borromée,Charlesbourg, Québec [1, 2] |
| History | 10 Feb 1763 (21 years) | Treaty of Paris – New France becomes British |
| History | 26 Dec 1791 (50 years) | Creation of Upper and Lower Canada |
| Death | 30 Sep 1802 | Québec City, Lower Canada, British North America [1] |
| Burial | 1 Oct 1802 | Basilique-cathédrale Notre-Dame de Québec, Québec City, Lower Canada, British North AmericaBasilique-cathédrale Notre-Dame de Québec,Québec City, Québec [1] |
Siblings |
7 brothers and 3 sisters | |
Half siblings |
1 half brother and 2 half sisters (family of Louis-Joseph Roy and Marguerite Lefrançois) | |
Half siblings |
1 half sister (family of Louis-Joseph Roy and Marie-Elisabeth Pichet) | |
| Person ID, Branch | I13067 | |
| Last Modified | 3 Mar 2026 | |
| Father | Louis-Joseph Roy, b. 19 Oct 1698, Charlesbourg, Québec, New France d. 18 Nov 1757, Charlesbourg, Québec, New France (Age 59 years) | |
| Mother | Marie-Jeanne Pepin, b. 13 Jun 1707, Charlesbourg, Québec, New France d. 5 Apr 1768, Charlesbourg, Québec, New France (Age 60 years) | |
| Family ID | F6979 | Group Sheet | Family Chart |
| Spouse / Partner | Guillaume-Daniel Williamson, b. —, Dallas, Moray, Scotland
| |
| Marriage | 29 Oct 1764 | Basilique-cathédrale Notre-Dame de Québec, Québec City, Lower Canada, British North AmericaBasilique-cathédrale Notre-Dame de Québec,Québec City, Québec [1] |
| Age at Marriage | She : 23 years and 7 months - He : ??. | |
Children |
1765 to 1768 [1] | |
| Family ID | F9249 | Group Sheet | Family Chart |
| Last Modified | 3 Mar 2026 | |
Pedigree | ← Click to display |
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Sources 🟢 Primary Evidence 🟡 Secondary Evidence 🟠 Tertiary Evidence 🔴 Unreliable Evidence |
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