Canadian is a town in Pittsburg County, Oklahoma, United States. As of the 2020 census, the community had 143 residents. At the time of its founding, Canadian was located in Tobucksy County, Choctaw Nation, in the Indian Territory. The settlement was originally called South Canadian, taking its name from the nearby South Fork of the Canadian River, n…Canadian is a town in Pittsburg County, Oklahoma, United States. As of the 2020 census, the community had 143 residents. At the time of its founding, Canadian was located in Tobucksy County, Choctaw Nation, in the Indian Territory. The settlement was originally called South Canadian, taking its name from the nearby South Fork of the Canadian River, now called Gaines Creek. A post office was established at South Canadian, Indian Territory on May 29, 1873. The name was changed to Canadian on December 11, 1899.