Simpson married Lucretia HallockUSA. Lucretia (daughter of Isaac Hallock and Esther Hall) was born on 24 Nov 1809 in Richmond, Chittenden, Vermont, USA; died on 8 Aug 1887 in Rockingham, Windham, Vermont, USA; was buried in Middlesex Village Cemetery, Middlesex, Washington, Vermont, USA. [Group Sheet] [Family Chart]