Born: 1816-07-22 Kentucky
Died: 1850-09-21 Coles County, Illinois
Alternate name: Barker
On October 16, 1834, Mary Barker married Abraham Lincoln's step-brother, John D. Johnston, in Coles County, Illinois. They had seven children together, one of whom died in infancy. Mary died of a hemorrhage at age thirty-four.
Charles H. Coleman, Abraham Lincoln and Coles County, Illinois (New Brunswick, NJ: Scarecrow Press, 1955), 29; The History of Coles County, Illinois (Chicago: Wm. Le Baron, Jr., 1879), 423; Illinois Statewide Marriage Index, Coles County, 16 October 1834, Illinois State Archives, Springfield, IL; U.S., Federal Census Mortality Schedules, 1850-1885, Coles County, IL, 135 (Provo, UT: Ancestry.com Operations, 2010); Lincoln Family Record.