The 10th Parliament of Lower Canada was in session from April 11, 1820, to April 24, 1820. Elections to the Legislative Assembly in Lower Canada had been held in March 1820. The legislature was dissolved due to the death of King George III. [1] All sessions were held at Quebec City.
| Riding | Member | First elected / previously elected |
|---|---|---|
| Bedford | Joseph Franchère | 1820 |
| Buckinghamshire | François Bellet | 1810 |
| Buckinghamshire | Louis Bourdages | 1804, [a] 1815 |
| Cornwallis | Jean-Baptiste Taché | 1820 |
| Cornwallis | Joseph Robitaille | 1808 |
| Devon | Jean-Baptiste Fortin | 1820 |
| Devon | François Fournier | 1814 |
| Dorchester | John Davidson | 1814 |
| Dorchester | Louis Lagueux | 1820 |
| Effingham | Jacob Oldham | 1820 |
| Effingham | François Tassé | 1820 |
| Gaspé [b] | ||
| Hampshire | Charles Langevin | 1820 |
| Hampshire | François Huot | 1796, 1808 |
| Hertford | François Blanchet | 1809, 1818 |
| Hertford | François-Xavier Paré | 1820 |
| Huntingdon | Michael O'Sullivan | 1814 |
| Huntingdon | Austin Cuvillier | 1814 |
| Kent | Pierre Bruneau [c] | 1810 |
| Kent | Denis-Benjamin Viger | 1808 |
| Leinster | Jacques Trullier, dit Lacombe | 1814, 1816 |
| Leinster | Barthélemy Joliette | 1820 |
| Montreal County | Joseph Valois | 1820 |
| Montreal County | Joseph Perrault | 1820 |
| Montreal East | Hugues Heney | 1820 |
| Montreal East | Thomas Busby | 1820 |
| Montreal West | Louis-Joseph Papineau | 1808 |
| Montreal West | George Garden | 1820 |
| Northumberland | Étienne-Claude Lagueux | 1816 |
| Northumberland | Philippe Panet | 1816 |
| Orléans | François Quirouet | 1820 |
| Quebec County | Louis Gauvreau | 1810 |
| Quebec County | John Neilson | 1820 |
| Quebec (Lower Town) | Thomas Lee | 1820 |
| Quebec (Lower Town) | Peter Burnet | 1820 |
| Quebec (Upper Town) | Claude Dénéchau | 1808 |
| Quebec (Upper Town) | Joseph-Rémi Vallières de Saint-Réal | 1820 |
| Richelieu | François Saint-Onge | 1820 |
| Richelieu | Jean Dessaulles | 1816 |
| Saint-Maurice | Louis Picotte | 1820 |
| Saint-Maurice | Pierre Bureau | 1819 |
| Surrey | Pierre Amiot | 1813 |
| Surrey | Étienne Duchesnois | 1814 |
| Trois-Rivières | Charles Richard Ogden | 1814 |
| Trois-Rivières | Marie-Joseph Godefroy de Tonnancour | 1820 |
| Warwick | Alexis Mousseau | 1820 |
| Warwick | Ross Cuthbert | 1800, 1812, 1820 |
| William-Henry | Robert Jones | 1814 |
| York | Nicolas-Eustache Lambert Dumont | 1814 |
| York | Augustin Perrault | 1820 |