Lanark-Carleton

Carleton—Mississippi Mills

Ontario electoral district
Carleton–Mississippi Mills in relation to other Ottawa-area electoral districts
Defunct federal electoral district
Legislature	House of Commons
District created	1987
District abolished	2013
First contested	1988
Last contested	2011
District webpage	profile, map
Demographics
Population (2011)	149,769
Electors (2011)	99,002
Area (km²)	1,550.93
Census divisions	Lanark, Ottawa
Census subdivisions	Ottawa, Mississippi Mills

Carleton—Mississippi Mills (formerly known as Lanark—Carleton and Carleton—Lanark) was a federal electoral district in Ontario, Canada, that was represented in the House of Commons of Canada from 1988 to 2015.

This riding was created in 1987 from parts of Lanark—Renfrew—Carleton and Nepean—Carleton ridings. At first, it was named "Carleton–Lanark". The name was changed to the current name as of September 1, 2004. The riding consists of the former Townships of Ramsay and Pakenham in the Town of Mississippi Mills, the former Townships of Goulbourn and West Carleton, and the former city of Kanata all in the city of Ottawa.

Initially, the boundaries of the riding were contentious. According to a report of the House of Commons committee that reviewed all new riding boundaries created in that year’s redistribution of ridings, “the Township of Mississippi Mills has strenuously protested being placed within Carleton–Lanark. It feels it does not belong to, and should not be attached to, an Ottawa-focused riding.” In May 2004, Mississippi Mills town council voted to be moved out of the riding and into the same riding as the rest of Lanark County. Over 1,000 residents of the township mailed postcards to the Speaker of the House of Commons protesting the new boundaries.

Gordon O'Connor of the Conservative Party of Canada was the riding's Member of Parliament from 2004 to 2015. During this time, he served as the Minister of National Revenue and the Minister of National Defence.