Jenny was born about 1871 in Wisconsin, USA, the daughter of unknown parents.
Her husband was Joseph Dunham, who she married in ABT 1894. The place has not been found. Their five known children were Ollie J. (c1895-?), Mackey H. (c1897-?), Frederick G. (c1901-?), Leonard L. (c1907-?) and Geneva D. (c1911-?).