Unity Conn, age 55, born in Illinois children born in Tennessee
↑ If she was the daughter of John Hudson by the same wife as his eldest children (as assigned in many online trees), then she was likely born considerably earlier than 1815, and in Tennessee rather than Illinois.
Also, many trees assign Mahala (Conn) Parr of Pontotoc County, Mississippi as her daughter, and the 1900 census says she was born Apr 1817, which is consistent with her other census records.