Mary (Brown) Coe was born about 1799 in Pennsylvania. 
Mary Brown married Joshua Coe on 28 June 1821 in Muskingum, Ohio. 
Mary died in 1868 and is buried in Bass Point Cemetery , Boone, Boone County, Iowa, USA. 
↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MX3Y-P7V : 12 April 2016), Mary Coe in household of Joshua Coe, Genoa, Delaware, Ohio, United States; citing family 341, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/2QHJ-YNT : 10 December 2017), Joshua Coe and Mary Brown, 28 Jun 1821; citing Muskingum, Ohio, United States, reference ; county courthouses, Ohio; FHL microfilm 865,142.