When Mary Anna Schierbaum was born on 24 January 1859, in New York City, New York, United States, her father, Heinrich K. Schierbaum, was 36 and her mother, Marie Buedermann, was 35. She married August Heinrich Wiedemann on 24 February 1876, in Des Moines, Iowa, United States. They were the parents of at least 6 sons and 3 daughters. She lived in Salt Creek Election Precinct, Cass, Nebraska, United States in 1910. She died on 10 December 1936, in Greenwood, Cass, Nebraska, United States, at the age of 77, and was buried in Greenwood, Cass, Nebraska, United States.