Isaac married Mary Schneider in 1800 in Northumberland, Pennsylvania, United States. Mary (daughter of Capt. Casper Hermanson Schneider and Elizabeth Ferster) was born on 24 Jun 1782 in Northumberland, Pennsylvania, United States; was christened on 4 Aug 1782 in Washington Township, Northumberland, Pennsylvania, United States; died on 7 Mar 1856 in Northumberland, Pennsylvania, United States; was buried in Scotch-Irish Presbyterian Cemetery, Martins Creek, Northampton County, Pennsylvania, United States. [Group Sheet] [Family Chart]