Sylvester married Rachael Caroline Baird on 20 Dec 1857 in Wabash County, Illinois, United States. Rachael (daughter of John W. Baird and Rebecca Stewart) was born in Aug 1840 in Wabash County, Illinois, United States; and died. [Group Sheet] [Family Chart]

1. Ellen Hill was born in 1858 in Wabash County, Illinois, United States; and died.
2. Metta Hill was born in 1861 in Illinois, United States; and died.
3. Anna Hill was born in 1863 in Illinois, United States; and died.
4. Harlan Hill was born in 1869 in Illinois, United States; and died.
5. June L Hill was born in Jun 1878 in Illinois, United States; and died.