Source: Per service record of Richardson, John James: Service no. 53882. Record of promotion of this soldier as Company Sergeant Major Ham was ill.
Family Search: Sergeant Tweed John Ham was born on 15 July 1877, in Dedham, Essex, England, United Kingdom as the son of Ham. He had at least 1 daughter with Daisy Grace Wren. He lived in Leyton, Essex, England, United Kingdom in 1911. He registered for military service in 1914. In 1914, at the age of 37, his occupation is listed as butcher. He died on 31 March 1926, in Ontario, Canada, at the age of 48, and was buried in Avondale Cemetery, Stratford, Perth, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 