Census of 1860 - J.C. McKinnon, Precinct 3, Moscow post office, Polk County, age 35, born circa 1825 in North Carolina, merchant.
Census of 1870 - John C. McKinnon, Subdivision 21, Livingston post office, Polk County, age 46, born circa 1824 in North Carolina, farmer, spouse Sarah J.; unindexed, Subdivision 21, p. 79. No entries for McKinion or McKinnion in Polk County.
FamilySearch . 18601870
John C. McKinnon, birth date 11/24/1824, death date 8/21/1894, burial in Moscow Cemetery, Moscow, Polk County.
Find a Grave .
J.C. McKinney, "Ready to make laws . . . Eighty members present (House)" (organization of the 15th Legislature), 4/19/1876, p. 1.
Galveston Daily News .
Possibly John C. McKinnon, mentioned in Descendants of Martin William "Gobbler" Jones, Generation No. 3, 34. John H.B. Jones. "Edwin B. Adams Jr . . . and John C. McKinnon were thriving merchants at Moscow, operating under the name of Adams & McKinnon. Mckinnon provided input to the family via his daughter Maggie, a school teacher, who in November 1870 married John Foster Poe."
Genealogy.com 2004.
John C. McKinnon.
Members of the Texas Congress 1836-1845; Members of the Texas Legislature 1846-2004 2005.
Mortuary, John C. McKinnon, The Galveston Daily News, 8/24/1894, p. 1, crediting Abilene Library Consortium. Moscow, Polk Co., Tex., Aug. 22. "Hon. John C. McKinnon . . . died last night . . . at one time he represented this county in the state legislature."
Portal to Texas History (University of North Texas Libraries) .