In 1860, Howell was living in Franklin County with Sarah and five children. Age 45, farmer.
Sources
"Tennessee State Marriage Index, 1780-2002," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VNHK-172 : accessed 7 February 2016), H L Lambert and Sarah Saylor, 10 Aug 1840; from "Tennessee State Marriages, 1780-2002," database and images, Ancestry (http://www.ancestry.com : 2008); citing p. 22, Franklin, Tennessee, United States, Tennessee State Library and Archives, Nashville, Tennessee.