Mary married Mark McQuiston in 1845 in Marietta, Ohio. Mark (son of William McQuiston and Elizabeth Sewick) was born on 20 Nov 1819 in Franklin Township, Beaver County, Pennsylvania; died on 9 Jan 1896 in Lawrence County, Pennsylvania; was buried in Ellwood City, Pennsylvania. [Group Sheet] [Family Chart]

1. Phillip McQuiston was born on 7 Oct 1845 in Franklin Township, Beaver County, Pennsylvania; died on 3 Sep 1928 in Chewton, Pennsylvania.
2. Margaret Jane McQuiston was born on 5 Jan 1847 in Beaver County, Pennsylvania; died on 27 Feb 1924; was buried in Slippery Rock Presbyterian Church Cemetery, Ellwood, Pennsylvania.
3. Alexander McQuiston was born on 23 Dec 1848; died in IN CHILDHOOD.
4. Mary Elizabeth McQuiston was born on 27 Jan 1851 in Beaver County, Pennsylvania; died in Jun 1891; was buried in Ellwood City, Pennsylvania.
5. Irene McQuiston was born on 13 Mar 1853 in Lawrence County, Pennsylvania; died on 8 Jan 1909 in Centralia, Illinois.
6. Nancy Ann McQuiston was born on 3 Apr 1855; died on 11 Sep 1855.
7. William McQuiston was born on 18 Sep 1856 in Lawrence County, Pennsylvania; died on 2 Sep 1910.
8. David Ezra McQuiston was born on 20 May 1857 in Lawrence County, Pennsylvania; died on 12 Apr 1932.
9. Tirzah McQuiston was born on 22 Dec 1863 in Lawrence County, Pennsylvania; died on 9 Jan 1901 in Perry Township, Pennsylvania.