In 1919 (aged 53) he married Euphemia MacDonald Munro (1884-1922), and 18 years his junior, niece of
Lord Alness and granddaughter of Rev Alexander Rose Munro (b.1835), in
St Giles Cathedral in
Edinburgh. Euphemia died aged only 38, and Archibald greatly outlived her despite his greater age. He instituted the Euphemia Cameron Book Prize, awarded annually by the Free Church College, in her memory. ==References==