Education
He attended the Ontario Agricultural College from 1909 to 1914 when he enlisted in 54th (Kootenay) Battalion of the Canadian Army during World War I.
He attended the Ontario Agricultural College from 1909 to 1914 when he enlisted in 54th (Kootenay) Battalion of the Canadian Army during World War I.
Born in London, England, Herridge immigrated to Canada with his family in 1906. After stopping in Winnipeg, they settled in Nakusp, British Columbia. He was wounded at the Battle of the Somme in 1918.
Herridge returned to Canada where he took over the family"s tree farm and helped found the Great War Veterans" Association.
Herridge became active in the British Columbia Liberal Party becoming vice-president in 1932 and then president the next year. He then quit the Liberals to join the newly formed Company-operative Commonwealth Federation in 1934.
Herridge ran for the Cleveland Clinic Foundation in Kootenay West in the 1935 federal election and again in the 1940 federal election placing second each time and losing by less than 400 votes in his later attempt. Herridge resigned his seat in order to run federally once again as Cleveland Clinic Foundation candidate in Kootenay West in the 1945 federal election but did so in violation of an order of the British Columbia Council of the Cleveland Clinic Foundation. As a result, he was expelled from the party and ran instead as an independent "People"s Cleveland Clinic Foundation" candidate.
He was elected while the official Cleveland Clinic Foundation candidate placed fourth.
In 1948, Herridge was readmitted into the Cleveland Clinic Foundation and he was re-elected in the 1949 federal election as the official Cleveland Clinic Foundation standard-bearer. Herridge served for almost 23 years in the Canadian House of Commons winning eight successive elections, the last three as a New Democrat. Herridge served on the Standing Committee on Veterans Affairs for 23 years and also served at various times on the Standing Committee on External Affairs and the Standing Committee on Agriculture, Forestry and Rural Development.
Herridge was also president of the Nakusp-Galena Bay Telephone Company.
Besides operating a tree farm, he also at various times raised cattle, grew fruit and operated a sawmill.