Durham County, Ontario

Durham County is a historic county in Ontario, Canada. It was named from the English County Durham and city of Durham.Durham County was created in 1792. It was composed of the townships of Cartwright, Manvers, Cavan, Darlington, Clarke and Hope, and portions of what is now Peterborough County, created in 1838. It was united administratively with Northumberland County as the United Counties of Northumberland and Durham from 1850 until Durham County was dissolved on January 1, 1974.Effective January 1, 1974, about half of Durham County was merged with Ontario County to create the Regional Municipality of Durham. The township of Manvers was transferred to Victoria County, which is now the city of Kawartha Lakes, Cavan was transferred to Peterborough County, where it is now part of Cavan-Monaghan, and Hope was transferred to Northumberland County, where it is now part of the town of Port Hope.