1 son, John P. Clerk, Town & County Bank, Aberdeen, Scotland, 1904-1908. Ledgerkeeper Home Bank, Toronto, Ontario, Canada, 1908-1910. Accountant Home Bank, Sandwich, Ontario, 1910-1911.
Cashier Canada Northern Railway, Toronto, 1911-1916. Special work in connection with Royal Commission appointed to make a valuation of and inquire into affairs of Canada Northern Railway Company, 1916-1917. Special work in connection with Canadian Northern Railway Arbitration, 1917-1918.
Assistant to vice president Canadian National Rys., Toronto, 1918-1923, assistant to vice president, Montreal, Petroquest Energy, 1923-1932, treasurer, 1932-1945, vice president and treasurer from 1945, vice president and treasurer Canadian National Steamships, Ltd., from 1945. Treasurer Trans-Canada Air Lines from 1937.