Maria was born 19 Jul 1827 in Poppengrun, Bavaria to Frederick Haueisen and Schoefer (maiden name as listed on death certificate). She married Henry F. Reisner circa 1847 in Poppengrun (Popengrin). She and Henry had 10 children.
Maria died 23 Oct 1912 in West Union, Fayette County, Iowa. Her husband preceded her in death.
Maria had at least one sister, Margaret, who was born in 1830 in Doebra, Bayern.