Russell County is a historic county in the Canadian province of Ontario.
It was created in 1800 from a portion of Stormont County. It later merged with Prescott County to form Prescott and Russell United Counties.
Cumberland Township became part of the Regional Municipality of Ottawa-Carleton in 1969, and is now part of the single-tier city of Ottawa.
- Small, Darell (1980), Dale’s Cemetery, Russell County, Cumberland Township, Ottawa, Ontario: Ottawa Branch, Ontario Genealogical Society
- Sutherland, James (1866), Ottawa city and counties of Carleton and Russell directory 1866-7., Ottawa, Ontario: Hunter, Rose & Company,
Coordinates: 45°25′N 75°10′W / 45.417°N 75.167°W