Alexander married Marjory McNicol on 6 Aug 1847 in Bonhill, Dunbartonshire, Scotland. Marjory (daughter of Finlay McNicol and Ann MacKenzie) was born before 28 Dec 1821 in Glenorchy, Argyll, Scotland; and died. [Group Sheet]

1. Finlay Kennedy was born about 1848 in Renton, Dumbartonshire, Scotland; and died.
2. Agnes Kennedy was born about 1851 in Renton, Dumbartonshire, Scotland; and died.
3. Christina Kennedy was born about 1855 in Alexandria, Dumbartonshire, Scotland; and died.
4. John Kennedy was born about 1859 in Alexandria, Dumbartonshire, Scotland; and died.
5. Alexander Kennedy was born about 1860 in Alexandria, Dumbartonshire, Scotland; and died.
6. Jane Kennedy was born about 1862 in Bonhill, Dumbartonshire, Scotland; and died.
7. Margaret Kennedy was born about 1866 in Renton, Dumbartonshire, Scotland; and died.
8. Hugh Kennedy was born about 1872 in Dumbarton, Dumbartonshire, Scotland; and died.