Dr. William John Graham was born on the 17th of April, 1846 near Florence, Ontario. His parents were John Graham and the former Margaret Patterson.
Dr. Graham graduated from the Victoria College Medical School located in Coburg, Ontario in 1867. He went on to study at The University of Toronto Faculty of Medicine and graduated in 1872. Dr. Graham practiced medicine in Bothwell and Duart in Kent County and in Florence which is located in Lambton County.
Dr. Graham married Penelope Gordon in 1868. She was born on the 22nd of November, 1848 in Cayuga, Ontario, the daughter of James Gordon and the former Margaret Milne. Mrs. Gordon had 4 siblings; Alexander, Marion, William and Jessie. Dr. and Mrs. Graham had a son William John Graham born to them in Duart on the 2nd of September, 1868. A son named Arthur was born in October, of 1870 and died at the age of 11 days. He was buried at the Butler Cemetery, 30452 Brick Road in Croton (Kent County). Dr. Graham advertised his practice in Duart, in the Ontario Gazetteer and Directory. According to the 1874-1875 Kent County Directory, Dr. Graham was practicing in Florence, Ontario.
According to the 1900 U.S. Census Dr. and Mrs. Graham had immigrated to the United States in 1884 and were living in Walhalla, Pembina Co., North Dakota where Dr. Graham was working as a physician.
Dr. Graham died in Grafton, North Dakota on the 9th of August, 1911. After the death of her husband, Mrs. Graham moved to Anoka, Minnesota to live with her son William, his wife Alice and their 6 children. Mrs. Graham died on the 13th of September, 1925 in Anoka, Minnesota, U.S.A. She was buried at the Forest Hill Cemetery in Anoka, Minnesota.