Harriet Mercer was born 30 June 1802 in Cecil County, Maryland, United States to John Mercer (c1764-1820) and Rebecca Davis (c1772-1802) and died 24 October 1869 Bloomington, McLean County, Illinois, United States of unspecified causes. She married George E. Walker (c1797-1864) 22 May 1821 in Baltimore, Maryland, United States.
Children
| Name | Birth | Death | Joined with |
| David Davis Walker (1840-1918) | 19 January 1840 Illinois, United States | 4 October 1918 Kennebunkport, Maine, United States | Martha Adela Beaky (1841-1917) |
Siblings
Residences
Footnotes (including sources)
| § Remains |