Nancy Jane FRANCIS, born 1826 in Ohio, married Samuel COOPER, Cass county, IN

I am searching for the parents of Nancy Jane FRANCIS, who died after 1854.Her last residence was Washington, Cass, Indiana, United States.She was born about 1826 in Ohio, United States.She married Samuel COOPER on 4 November 1846 in Edgar County, Illinois, United States.Her children were Elizabeth Ann COOPER (born 1849, Indiana), Nancy Jane COOPER (born 1853, Indiana), and William Henry COOPER (born 1854, Indiana).