You may have this already. Still can't find an obit for Michael Lawrence Oakley or Helen Oakley-Brown.
Ottawa Citizen, August 4, 1981
Hawthorne, Thomas – In hospital in Hamilton, August 1, 1981, Thomas Hawthorne, husband of Lillian McKnight. Stepfather of George, Allan, James and Gerald McKnight, Margaret Shields, Frances and Stafford, Hamilton. Brother of Helen Oakley-Brown. Uncle of Gordon Oakley and Zelma Knox of Ottawa. Burial in Hamilton, August 5.