Mary L. Unknown was born 1823 in Kentucky, and died date unknown. She married Marshall Key Howell on Aft. 1856 in Bethany, Daviess/Harrison Co., Missouri, son of James Howell and Esther Cardwell.
More About Mary L. Unknown and Marshall Key Howell: Marriage: Aft. 1856, Bethany, Daviess/Harrison Co., Missouri.