Willis married Mary Catherine (Jane) LAWRENCE on 3 Aug 1848 in Madison, Illinois, United States. Mary was born about 1829 in Tennessee, United States; died after 1870. [Group Sheet] [Family Chart]

1. Benjamin F MCCREE was born in Mar 1850 in Illinois, United States; and died.
2. Wilson MCCREE was born about 1851 in Illinois/Tennessee; and died.
3. Samuel MCCREE was born about 1852 in Illinois, United States; and died.
4. William Marshall MCCREE was born on 16 May 1854 in Alton, Madison, Illinois, United States; died on 29 Jan 1935 in Cambria, Williamson, Illinois, United States; was buried in 1935 in Cambria, Williamson, Illinois, United States.
5. Franklin Marion MCCREE was born on 17 Feb 1859 in Madison, Illinois, United States; died on 2 Nov 1952 in Carterville, Williamson, Illinois, United States; was buried in Carterville, Williamson, Illinois, United States.
6. John MCCREE was born on 23 Jan 1860 in Madison, Illinois, United States; died on 2 Apr 1939 in Carterville, Williamson, Illinois, United States; was buried in Hillcrest Cemetery, Carterville, Williamson, Illinois, United States.
7. Mary Jane MCCREE was born on 22 Mar 1860 in White, Illinois, United States; died on 6 Feb 1923 in Carterville, Williamson, Illinois, United States; was buried in Carterville, Williamson, Illinois, United States.
8. Julia A MCCREE was born in Aug 1861 in Madison, Illinois, United States; and died.