Constituted when a County of Juste au Corps witharound 1835, Inverness County was given its present title in 1837. It was known as Inverness when Inverness in Scotland, the land from either which several of the early settlers come. A boundaries of Inverness County got been antecedently defined after Cape Breton Island was divided by statute into terzetto Dominion around 1823.

Inverness County was established in a boundaries of the Northwestern District of Cape Breton Island.