1850 Greenup Twp, Cumberland Co, IL, where he is listed, at age 14, in the census with his father's family.
1855 In the state census, he lived with his parent only 2 doors down from the Davee family, his future in-laws.
1860 Charleston Twp, Coles Co, IL. In the census, Jacob was listed as a day laborer with $50 personal property. He and Malinda had 2 small sons and his sister Rebecca A Parker, 30, lived with them, her occupation recorded as serving (servant ?).
8/11/186? He enlisted at Camp Butler, Springfield, IL to serve in the Civil War effort for 3 years.
9/8/186? He was mustered into Co E 97th Reg of the IL Vol Inf as Pvt.
He died of measles while serving in the Civil War.