John married Margaret Elizabeth MAGGIE JOHNSTON, .4 on 27 Nov 1878 in London, Middlesex Co., Ontario. Margaret (daughter of Dr. Richard Lawrence JOHNSTON, Senior and Julia Ann TEETZEL, .i) was born on 23 May 1852 in Palermo, Trafalgar Twp., Halton Co., Ontario; died on 20 Apr 1911 in Davenport, Washington; was buried in Maple Leaf Cemetery. [Group Sheet] [Family Chart]

1. Harriet ISABELLA Teetzel MCMASTER was born on 9 Sep 1879 in Erin Twp., Wellington Co., Ontario; died on 12 Jul 1967 in Richmond, Contra Costa Co., California; was buried in Maple Leaf Cemetery.
2. Francis Duncan MCMASTER was born in Aug 1882 in Michigan; died on 13 Sep 1957 in Spokane, Washington.