William married Nancy Stowell on 24 Feb 1828 in Antwerp, Jefferson, New York, USA. Nancy (daughter of Oliver Stowell and Elizabeth Hoisington) was born on 6 Jan 1805 in Windsor, Windsor, Vermont, USA; died on 9 Jul 1898 in Antwerp, Jefferson, New York, USA; was buried in Hillside Cemetery, Antwerp, Jefferson, New York, USA. [Group Sheet] [Family Chart]

1. William Parish McAllister was born on 9 May 1829 in Antwerp, Jefferson, New York, USA; died on 19 Sep 1863 in Watertown, Jefferson, New York, USA.
2. George David McAllister was born on 3 Oct 1831 in Antwerp, Jefferson, New York, USA; died on 17 Jul 1903 in Antwerp, Jefferson, New York, USA; was buried in Hillside Cemetery, Antwerp, Jefferson, New York, USA.
3. Oliver Richard McAllister was born on 10 May 1834 in Antwerp, Jefferson, New York, USA; died on 7 Jul 1863 in Elmira, Chemung, New York, USA; was buried in Hillside Cemetery, Antwerp, Jefferson, New York, USA.
4. Henry Major McAllister was born on 20 May 1839 in Antwerp, Jefferson, New York, USA; died on 4 Apr 1841 in Antwerp, Jefferson, New York, USA.