Flourished: Sangamon County, Illinois
Walker married Polly Davidson in Kentucky, and together they moved to Sangamon County in 1826. They lived there until at least 1840.
U.S. Census Office, Fifth Census of the United States (1830), Sangamon County, IL, 150; U.S. Census Office, Sixth Census of the United States (1840), Sangamon County, IL, 35; John Carroll Power and S. A. Power, History of the Early Settlers of Sangamon County, Illinois (Springfield, IL: Edwin A. Wilson, 1876), 245.