|Preceded by||Dick Treleaven|
|Succeeded by||Kimble Sutherland|
|Born||November 8, 1925|
|Died||February 3, 2016 (aged 90)|
Powell River, British Columbia
|Years of service||1940-1945|
|Unit||Oxford Rifles Reserve, 1940-1943|
Royal Canadian Air Force, 1943-1945
Tatham was an alderman in the city of Woodstock in 1956, served as mayor of the city from 1957 to 1958, and was an alderman again from 1979 to 1987.
He ran for the House of Commons of Canada as a candidate of the Liberal Party of Canada in the elections of 1968, 1972 and 1974, in the riding of Oxford. He was defeated on all three occasions. The closest he came to winning was in 1974, when he lost to Progressive Conservative Bruce Halliday by only 1,428 votes.
Tatham was elected to the Ontario legislature for the riding of Oxford in the 1987 provincial election, defeating incumbent Progressive Conservative Dick Treleaven by 2,874 votes. He served as a backbench supporter of David Peterson's government for the next three years.
- "Longtime Woodstock and Oxford County politician Charlie Tatham dies at age 90". Woodstock Sentinel Review. Archived from the original on 12 May 2018. Retrieved 11 May 2018.
- "Results from parliamentary constituencies across the country, ridng by riding". The Globe and Mail. June 26, 1968. pp. 10–11.
- "How the 1,117 candidates fared across Canada". The Toronto Star. October 31, 1972. p. 15.
- "How the party candidates fared across the country". The Toronto Star. July 9, 1974. p. A12.
- "Results from individual ridings". The Windsor Star. September 11, 1987. p. F2.
- "Ontario election: Riding-by-riding voting results". The Globe and Mail. September 7, 1990. p. A12.
- Edwards, John (December 6, 2012). "Council backs airport in turbine battle". The Collingwood Connection. p. 1.
- "North West Parks". City of Woodstock. 2014. Archived from the original on May 2, 2014. Retrieved April 30, 2014.