Background
McMaster was born near London, Ontario and attended Osgoode Hall Law School in Toronto from which he graduated in 1902 and qualified as a lawyer
McMaster was born near London, Ontario and attended Osgoode Hall Law School in Toronto from which he graduated in 1902 and qualified as a lawyer
He joined the Progressive Conservative Party of Canada in 1943 and was elected to the Canadian House of Commons from High Park in Toronto in the 1945 federal election. He served in Parliament for four years until his defeat in the 1949 federal election.