When Mary Ann Eads was born on 13 May 1836, in Lawrence, Indiana, United States, her father, Isham Eads, was 41 and her mother, Elizabeth Jane Sowders, was 41. She married John E. Arney Jr. on 14 March 1853, in Lawrence, Indiana, United States. They were the parents of at least 4 sons and 4 daughters. She lived in Salt Creek Township, Monroe, Indiana, United States in 1880 and Polk Township, Monroe, Indiana, United States in 1900. She died on 29 June 1920, in Chapel Hill, Polk Township, Monroe, Indiana, United States, at the age of 84, and was buried in Kinser Cemetery, Bedford, Shawswick Township, Lawrence, Indiana, United States.