Old Montréal occupies the historic core of Tiohtià:ke, an island and meeting place within long-standing Indigenous territories and travel networks. French colonists founded Ville-Marie near the Saint Lawrence River in May 1642 under Paul de Chomedey de Maisonneuve, with Jeanne Mance central to the settlement’s medical and religious mission. The new colony was established by the Société Notre-Dame de Montréal to pursue Catholic evangelization as well as settlement. It entered an Indigenous diplomatic and commercial world rather than an empty landscape.

The early settlement clustered around a wooden fort near Pointe-à-Callière and became a center of the fur trade. Conflict, alliance, mission activity, and exchange connected French residents with Haudenosaunee, Wendat, Anishinaabe, and other Indigenous peoples under profoundly unequal and changing conditions. Sulpicians became seigneurs of the island, streets and property lots were laid out, and religious institutions expanded. After destructive fires, authorities encouraged stone construction. Fortified walls built during the early eighteenth century enclosed the growing town and defined its limits.

Britain captured Montréal in 1760 during the Seven Years’ War, and French civil and religious life continued under a new imperial regime. Merchants from British, Scottish, American, Jewish, and other backgrounds enlarged commercial networks linking the Atlantic, Great Lakes, and continental interior. The walls were demolished between 1804 and 1817, opening the old city to suburbs and freeing land for new streets. The port, Lachine Canal, warehouses, banks, insurance companies, and rail connections made nineteenth-century Montréal Canada’s leading commercial metropolis.

Architecture followed these changes. French-period institutions and masonry houses stood beside neoclassical markets, churches, courthouses, warehouses, and increasingly monumental banks. Notre-Dame Basilica, Bonsecours Market, city hall, customs buildings, and the financial offices of Saint-Jacques Street expressed religious, civic, and corporate power. The district was also a place of labor: dockworkers, domestic servants, craftspeople, sailors, clerks, factory hands, and immigrant families sustained the wealth displayed in stone façades. Fires, epidemics, political unrest, and industrial pollution shaped daily life.

By the mid-twentieth century, port activity and business had shifted, residents had declined, and many buildings stood underused. Road and redevelopment proposals threatened extensive demolition. Preservation advocates, planners, architects, residents, and public authorities argued that the district’s street pattern and architectural ensemble had value. Quebec declared much of Old Montréal a historic district in 1964. Restoration, archaeological investigation, adaptive reuse, and redevelopment followed, while the adjacent Old Port was later transformed from working infrastructure into public and recreational space.

Old Montréal is now a major tourist district and a growing residential neighborhood, creating both vitality and pressure. Hotels, restaurants, events, and short-term rentals compete with local services and affordable housing. Archaeology at Pointe-à-Callière and elsewhere reveals fortifications, sewers, markets, burials, and the earliest colonial settlement beneath modern streets. Interpretation increasingly restores Indigenous presence and avoids treating 1642 as the beginning of human history on the island. The district’s heritage lies not in a uniform French colonial appearance, but in visible transitions among Indigenous homeland, missionary colony, fortified town, British commercial city, industrial port, financial center, period of decline, and preservation-led reinvention.