Born: 1812-XX-XX Kentucky
Flourished: 1838-11 Sangamon County, Illinois
In 1830, Barnett lived in Henry County, Tennessee. During the Black Hawk War, he served in Abraham Lincoln's company of mounted volunteer militia. In 1840, he lived in a household with six other people in Menard County, Illinois. In 1850, he was a stone mason in Miller County, Missouri. By 1855, Barnett was living in Caldwell County, Missouri.
Muster Roll of Abraham Lincoln’s Company of Mounted Volunteers; U.S. Census Office, Fifth Census of the United States (1830), Henry County, TN, 6; U.S. Census Office, Sixth Census of the United States (1840), Menard County, IL, 313; U.S. Census Office, Seventh Census of the United States (1850), Miller County, MO, 448; Wilbur F. Boggs to Abraham Lincoln.