John Rochester (May 22, 1822 – September 19, 1894) was a Canadian industrialist, mayor of Ottawa, Ontario from 1870 to 1871, and a member of the House of Commons of Canada representing Carleton from 1872 to 1882.

There were nine offspring: Susanah (James Anderson), James (Ann Frost), Elizabeth (McLaughlin), George (Marion Baillie), John Jr. (Elizabeth Bevitt), Mary Ann (George Honey Preston), Emily (Cressle, Norman), William (Helen Baillie), Margaret (William Bunting).

The Rochesters were a pioneer family in early Bytown that branched out into timber and mining enterprise across the Canadian shield.

[2] The area, south of Lebreton and bounded today by Bronson, Booth, Rochester and Preston Streets was once Rochesterville before amalgamation with Ottawa.

[1] He was a staunch Wesleyan Methodist and helped establish a local order of the Orange Lodge and was also a Freemason.