John T. Kidd was born in Athlone, Ontario in 1868. After his studies at St. Michael’s College, University of Toronto he became the manager of a large lumber business. He then went to Rome to study for a doctorate in Theology, after which he was ordained on February 16, 1902 for the Diocese of Toronto. His first appointment was assistant and then pastor of St. Ann’s, Penetanguishene. On the death of Archbishop McEvay he was named Vicar Capitular of the Diocese of Toronto for a year. In 1911-1912 as the new seminary was being developed in Toronto Kidd was involved due to his administrative experience, and deep spirituality. In 1914 he was made a Domestic Prelate and on February 6, 1925 was appointed Bishop of Calgary. He was consecrated on May 6, 1925 in St. Michael’s Cathedral, Toronto by Apostolic Delegate Pietro di Maria and he took possession of his See on May 13, 1925.

On July 3, 1931 Kidd was appointed Bishop of London on the death of Bishop Fallon and he took possession of his See on September 23. Kidd died as Bishop of London on June 2, 1950.