Mary McColm and David Murray Lyon married in 1859. This was David’s second marriage. David was Secretary of the Grand Masonic Lodge of Scotland. He lived in Edinburgh and passed away at Cloverhill, Liberton in 1903, aged 83. Mary survived her husband by a decade. She died at Leslie Cottage, Liberton in 1913, also aged 83. The couple had 8 children:
Thomas Malcolm Lyon (1860 – 1942) m. Fannie Ovington Hall 4 Children
William Malcolm Lyon (1862 – 1933) m. ??? Campbell 2 Children
Agnes Malcolm Lyon (1864 – 1937) u.
James Malcolm Lyon (1866 – 1949) m. Annie Pierce 4 Children
Margaret Malcolm Lyon (1868 – 1907) m. Verner John Bain 1 Child
Robert Murray Lyon (1870 – 1949) m. Agnes Reid Nelson 1 Child
Janet Drennan Lyon (1872 – 1958) m. David Macfarlane 2 Children
Donald Macdonald Lyon (1875 – 1959) m. Ann Webster 4 Children