When Mary Elizabeth Horsley was born on 14 September 1861, in St. Clair, Alabama, United States, her father, John C. Horsley, was 29 and her mother, Elizabeth Wharton, was 27. She married James Andrew Jesse Martin on 30 September 1888, in St. Clair, Alabama, United States. They were the parents of at least 3 sons and 5 daughters. She lived in Selfville, Blount, Alabama, United States in 1930 and Election Precinct 9, Jefferson, Alabama, United States in 1940. She died on 9 March 1944, in Alabama, United States, at the age of 82, and was buried in Odenville, St. Clair, Alabama, United States.
English (Northeastern England): habitational name from any of various places called with Old English hors ‘horse’ + lēah ‘woodland clearing’, such as Horsley (Derbyshire, Gloucestershire), Long Horsley (Northumberland), and Horseley Hills Farm in Wolverley (Worcestershire), probably referring to a place where horses were put out to pasture.