Paris was named for the nearby deposits of gypsum, used to make plaster of Paris. This material was discovered in 1793 while the area was being surveyed for the British Home Department. By late 1794 a road had been built from what is now Dundas, Ontario, to the east bank of the Grand River in what became Paris, called The Governor's Road (now Dundas St. in Paris). The town has been referred to as "the cobblestone capital of Canada" (in reference to a number of aged cobblestone houses).