| Grave of Isaiah Marks, Ketoctin Baptist Church Cemetery, near Short Hill | 1955 |  |
| Joint marking with Freedom Hill Chapter of Thomas Purcell grave, Potts' Burying Ground, Round Hill | 1963 |  |
| Grave of Amos Thompson, Leesburg Presbyterian Churchyard | 1964 |  |
| Ketoctin Baptist Church, near Short Hill | 1967 |  |
| Aldie Mill, Aldie | 1971 |  |
| Isaac Nichols House, Rt 611, Purcellville | 1972 |  |
| Ebenezer Church, Bloomfield | 1972 |  |
| Grave of John Axline, New Jerusalem Lutheran Church Cemetery, Lovettsville | 1974 |  |
| Grave of Fardinan Van Sickler, North Fork Baptist Cemetery | 1974 |  |
| North Fork Regular Baptist Church (circa 1835) | 1975 |  |
| North Fork Primitive Baptist Church (circa 1784) | 1975 |  |
| Revolutionary War Marker, Ketoctin Baptist Church, near Short Hill- Soldiers: John Chew, James Copeland, Thomas Humphrey, Abel Marks, Isaiah Marks, George Poulson, and Patriot Reverend John Marks | 1977 |  |
| Rokeby, site of safekeeping of the Constitution and Declaration of Independence in 1814, Leesburg | 1987 |  |
| Grave of Dr. Cornelius Baldwin, Mount Hebron Cemetery, Winchester | 1992 |  |
| Thomas Balch Library, Leesburg | 2006 |  |
| Swamp White Oak, Propagated at Mount Vernon, Morven Park, Leesburg | 2013
Rededicated 2022 |  |
| Grave of Major Joseph Lane, Farmers Delight Plantation, Middleburg | 2016 |  |
| Amos Goodin House, Purcellville | 2017 |  |
| Grave of Ezekiel Potts, Potts' Burying Ground, Round Hill | 2019 |  |
| Graves of Charles and Elizabeth Lewis Carter, North Hill, Berryville | 2020 |  |