I believe I can help you. I have been doing sum of my family tree and mingee is from my mother's maiden name. The people you have named is: Grandmother Mingee(maiden name Nancy Jane McCady) is actually Nancy Jane McCready, Parents were Alexander McCready and Nancy Summers. She was born 10 Dec 1834 and died 23 Feb 1888. Her Husband's name was Robert Harding Mingee (my great-great grandfather) born in 1828 and died 1891. They were married 17 Feb 1852. They had seven children-one of whom was William L. Mingee (my great-grandfather) who married Margaret (Maggie Jane) Mullen. She was born 07 March 1860, to Henry Mullen and Mary Ross. They married 03 June 1878 and she died 14 December 1902, at the age of 42. If you need anymore info or might have some that would be useful to me, please let me know-we might be related!