Susan E. Miles (maiden name: Jones) was born on December 2, 1823, in Pennsylvania. She married Edwin Miles on March 30, 1847, and they had at least four children: Amanda, born around 1847; George, born around 1850; Nathaniel, born around 1852; and Sarah, born around 1856. They lived in Pittsburgh, Pennsylvania, and her husband worked as an iron manufacturer. By 1860, they owned $3,000 of real estate and $9,000 of personal property. A decade later, their wealth had grown to $85,000 of real estate and $5,000 of personal property. She died on December 2, 1893.