Born: 1798-XX-XX Kentucky
Died: 1854-02-02 Menard County, Illinois
Flourished: 1834-05-05 Sangamon County, Illinois
Armstrong lived with his brother William in Menard County for a time and served as one of the county's earliest justices of the peace. During the Black Hawk War, he served in the 4th Illinois Regiment of Mounted Volunteers, with Abraham Lincoln. By 1850, he was working as a farmer with his wife Delilah and their seven children and had accumulated over $2,000 in real estate.
Gravestone, Stith Cemetery, Atterberry, IL; The History of Menard and Mason Counties, Illinois (Chicago: O. L. Baskin, 1879), 333; Muster Roll of Abraham Lincoln’s Company of Mounted Volunteers; U.S. Census Office, Seventh Census of the United States (1850), Menard County, Illinois, 316.