When Mary E Collier was born on 3 May 1841, in Randolph, Missouri, United States, her father, Lewis Collier, was 39 and her mother, Judith Cornelious, was 39. She married Hardin P Benning in December 1872, in Missouri, United States. They were the parents of at least 1 son and 3 daughters. She lived in Callao Township, Macon, Missouri, United States in 1900 and Callao, Macon, Missouri, United States in 1910. She died on 29 April 1917, at the age of 75.