Henry married Helen Victoria Macfarlane Medium, Spiritualist on 27 May 1916 in Bank St. Register Office, Edinburgh, Midlothian, Scotland. Helen (daughter of Archibald Macfarlane, Slater and Isabella Rattray) was born on 25 Nov 1897 in Callander, Perthshire, Scotland; died on 6 Dec 1956 in 36 Rankeillor St., Edinburgh, Midlothian, Scotland. [Group Sheet] [Family Chart]

1. Annie Duncan
2. Georgina Duncan
3. Henry Duncan
4. Alexander Duncan died in Very Young.
5. Henrietta Duncan died in Aged 13 Months.
6. Isabella McFarlane Duncan was born about 1919 in Edinburgh, Midlothian, Scotland; died in Oct 1987 in Brisbane, Queensland, Australia.
7. Lillian Lamb MacFarlane Duncan was born on 21 Apr 1921 in Edinburgh, Midlothian, Scotland; died on 4 Aug 1972 in Los Angeles, Los Angeles, California, USA.
8. Peter Duncan was born in 1923 in Scotland; died in Scotland.