Isaac married Cox, Harriet Lucinda on 22 Jan 1846. Harriet (daughter of Cox, Jonathan Upham Sr and Blood, Lucinda) was born on 20 Jan 1823 in Oswego, Tioga, New York; died on 23 Jul 1854 in Manti, Sanpete, Utah, United States; was buried on 27 Jul 1854 in Manti, Sanpete, Utah, United States. [Group Sheet] [Family Chart]