Dennison married Sarah Ann Wilson on 7 Mar 1847 in Council Bluffs, Pottawattamie, Iowa. Sarah (daughter of James Wilson and Ellender (Eleanor, Nelly) Shelfer) was born on 20 Sep 1824 in Nashville, Davidson, Tennessee, USA; died on 23 Feb 1875 in Monroe, Sevier, Utah Territory, United States; was buried on 25 Feb 1875 in Monroe, Sevier, Utah Territory, United States. [Group Sheet] [Family Chart]