"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCZ4-5M9 : 12 August 2017), Covington Abbott in household of J A Abbott, Louisa, Lawrence, Kentucky, United States; citing enumeration district ED 54, sheet 422D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0427; FHL microfilm 1,254,427.Household - Role - Sex - Age - Birthplace; J A Abbott - Self - Male - 42 - Virginia, United States; Minta Abbott - Wife - Female - 24 - Kentucky, United States; Josie Abbott - Daughter - Female - 14 - Kentucky, United States; Cora Abbott - Daughter - Female - 12 - Kentucky, United States; John Abbott - Son - Male - 5 - Kentucky, United States; Minnie Abbott - Daughter - Female - 3 - Kentucky, United States; Charley Abbott - Son - Male - 0 - Kentucky, United States; Covington Abbott - Brother - Male - 20 - Virginia, United States
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M384-WRQ : accessed 25 August 2018), Covington Abbott, Green Township Camden Point town, Platte, Missouri, United States; citing enumeration district (ED) 132, sheet 12A, family 233, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,882.
Missouri Marriage Records, 1805-2002
Missouri Marriage Records, 1805-2002
U.S., Appointments of U. S. Postmasters, 1832-1971
U.S., Find A Grave Index, 1700s-Current; Find A Grave: Memorial #18204875
US, Register of Civil, Military, and Naval Service, 1863-1959