Arthur Henry Davison says that Clarissa (Sithens) Davison died December 24, 1892, while Joseph Claybaugh says she died January 2, 1893. We know from the 1880 census that both her parents were born in New Jersey.
Offspring of William Davison and Clarissa Sithens (1809-1892)
Davison, Arthur Henry. History and Genealogy of Davison, Davisson, Dividson Families. Cedar Rapids, IA: The Torch Press, 1935)
US Census 1880 Jefferson, Clinton, IN
"Butler, Ohio" or "Butler County, Ohio"?
"Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XZDH-P3Y : accessed 30 November 2015), William D. Davidson and Clariss Sithian, 02 Feb 1830; citing Butler, Ohio, United States, reference v l p 277; county courthouses, Ohio; FHL microfilm 355,779.