Duncan married Ann MacFarlane on 7 Dec 1855 in Bonhill, Dunbartonshire, Scotland. Ann (daughter of John McFarlan [MacFarlane] and Ann Shearer) was born on 27 Dec 1835; was christened on 6 Mar 1836 in Neilston, Renfrewshire, Scotland; died on 19 Jan 1915 in Levenview, Leven St., Alexandria, Bonhill, Dunbarton, Scotland. [Group Sheet] [Family Chart]

1. Duncan McGregor [MacGregor] was born on 20 Feb 1856 in Bonhill, Dunbartonshire, Scotland; died on 26 Dec 1930 in Drygate, Glasgow, Lanarkshire, Scotland.
2. John McGregor [MacGregor] was born on 10 Dec 1857 in Bonhill, Dunbartonshire, Scotland; died in 1932.
3. Peter Walker McGregor [MacGregor] was born on 31 Dec 1859 in Bonhill, Dunbartonshire, Scotland; died in 1922.
4. Anne Shearer McGregor [MacGregor] was born on 15 Jan 1862 in Bonhill, Dunbartonshire, Scotland; died in 1930.
5. Jane Walker McGregor [MacGregor] was born on 15 Jan 1864 in Bonhill, Dunbartonshire, Scotland; died on 31 Mar 1888 in 37 Random St., Alexandria, Bonhill, Dunbarton, Scotland.
6. Catherine McGregor [MacGregor] was born on 10 Jul 1867 in Bonhill, Dunbartonshire, Scotland.
7. Alexander McGregor [MacGregor] was born on 22 Aug 1869 in Bonhill, Dunbartonshire, Scotland; died in 1947 in Liverpool, Lancashire, England.
8. Andrew Mcfarlane McGregor [MacGregor] was born on 2 Sep 1871 in Bonhill, Dunbartonshire, Scotland.
9. Malcolm McGregor [MacGregor] was born on 29 Jul 1873 in Bonhill, Dunbartonshire, Scotland; died on 9 Mar 1957 in Alexandria, Bonhill, Dunbartonshire, Scotland.
10. Janet McFarlane McGregor [MacGregor] was born on 5 Aug 1875 in Bonhill, Dunbartonshire, Scotland; died in 1963.
11. Dugald McGregor [MacGregor] was born on 13 Aug 1878 in Bonhill, Dunbartonshire, Scotland; died on 19 Sep 1920 in Levenview, Leven St., Alexandria, Bonhill, Dunbarton, Scotland.