Temple Hall
Temple Hall is an early nineteenth-century Federal-style mansion and working farm in Loudoun County, Virginia.
Last updated August 26, 2026
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Overview
Temple Hall is a historic mansion and agricultural property near the Potomac River north of Leesburg, Virginia. Although it is not a conventional commercial consumer brand, the name identifies a preserved historic estate, working farm, and interpretive attraction operated as Temple Hall Farm Regional Park. The property is associated with the early nineteenth-century Federal architectural tradition and with the social, agricultural, and military history of Loudoun County. The main house was built in 1810 for William Temple Thomson Mason, a member of the prominent Mason family of Virginia and a nephew of George Mason. Mason and his wife, Ann Eliza Carroll, raised ten children at the estate. During the family's ownership, Temple Hall functioned as both a residence and a farm. Its agricultural operations included orchards, corn, wheat, and livestock. The house also became a setting for regional social and political activity. On 9 August 1825, the Marquis de Lafayette visited Temple Hall during his tour of the United States. He was accompanied by President John Quincy Adams and former president James Monroe. During the visit, the three men witnessed the baptism of two of the Mason children, with Lafayette and the two presidents serving as godparents. The property's history also reflects the institution of slavery and the political divisions that preceded and accompanied the American Civil War. Approximately twenty enslaved African Americans lived at Temple Hall during Mason's tenure. After Mason sold the farm in 1857, Henry A. Ball operated it with enslaved labor, including a group of young men. Ball supported secession, and two of his enslaved workers enlisted in the Confederate cavalry after Virginia joined the Confederacy. In 1862, Ball was arrested for refusing to swear loyalty to the federal government and spent close to a year in the Old Capitol Prison. Confederate partisan ranger John S. Mosby visited Temple Hall on 5 July 1864 and obtained information there that contributed to the subsequent action at Mount Zion Church. The Ball family retained the estate until 1878, when it was sold at auction. After passing through several owners, Temple Hall was purchased in 1940 by James H. Symington and his wife. The Symingtons restored the mansion and introduced substantial modernization, including electricity and indoor plumbing. They also continued agricultural production. The farm became especially known for popcorn and reportedly grew into one of the largest popcorn suppliers in the eastern United States before the market declined after the Second World War. The operation then diversified into cattle and hogs, as well as wheat, corn, and hay used for animal feed. Following James Symington's illness in the 1970s, his wife took responsibility for managing the farm and continued to operate it after his death. Concerned that development and population growth would erode the rural landscape around Leesburg, she donated the approximately 286-acre property to the Northern Virginia Regional Park Authority in 1985. The authority has since maintained Temple Hall as a working farm and public interpretive site. The property is also part of the broader Catoctin Rural Historic District, a large historic landscape added to the National Register of Historic Places in 1989. Temple Hall itself was individually listed on the National Register in 2007. Its present identity rests on preservation, agricultural interpretation, architecture, and public history rather than on mass-market products. The estate includes the Federal-style brick mansion, agricultural buildings, and landscape features that communicate changing patterns of land use and ownership in northern Virginia. The name therefore functions primarily as a heritage and visitor-site identity.
History
Temple Hall was constructed in 1810 near the Potomac River in what is now northern Loudoun County, Virginia. Its first owner was William Temple Thomson Mason, the son of Thomson Mason and Elizabeth Westwood Wallace and a nephew of George Mason. Mason and his wife, Ann Eliza Carroll, made the estate their home and raised ten children there. The property combined domestic, agricultural, and social functions. Mason cultivated orchards and produced corn and wheat while also raising livestock. Enslaved African Americans lived and worked on the estate, forming part of the labor system that supported the farm. Temple Hall acquired regional historical significance during the Mason period. On 9 August 1825, the Marquis de Lafayette visited the house during his return tour of the United States. President John Quincy Adams and former president James Monroe accompanied him. Monroe was then living at Oak Hill in southern Loudoun County. During the visit, the men witnessed the baptism of Mason's two youngest daughters. Lafayette acted as godfather for Mary Carroll Mason, while Adams and Monroe served as godfathers for Maria Louisa Mason. The episode illustrates Temple Hall's connection to the political and social networks of early national Virginia. Mason retired to Washington, D.C., in 1857 and sold the farm to Henry A. Ball. Ball continued agricultural operations with enslaved labor, including approximately twenty enslaved people and a particularly young group of workers. Ball was politically sympathetic to secession. After Virginia joined the Confederacy, two enslaved men associated with his household enlisted in Confederate cavalry units. In 1862, Ball was arrested because he refused to take an oath of allegiance to the federal government. He spent nearly a year in the Old Capitol Prison before being released. The Civil War also brought military activity to the surrounding area. On 5 July 1864, Confederate partisan ranger John S. Mosby visited Temple Hall and dined with the Ball family. Information Mosby received while at the house helped lead to the action at Mount Zion Church. The Ball family retained Temple Hall until 1878, when the estate was sold at auction. The property then passed through several owners. A major preservation phase began in 1940, when James H. Symington and his wife purchased the farm. They restored the mansion and made extensive improvements, including the installation of electricity and indoor plumbing. The Symingtons maintained agricultural production and developed a notable popcorn operation. The farm became a major supplier in the eastern United States, but the popcorn market weakened after the Second World War. The family subsequently shifted toward livestock, raising cattle and hogs and producing wheat, corn, and hay for feed. When James Symington became ill in the 1970s, his wife assumed management of the farm. She continued the operation after his death and became concerned that the rapid growth of Loudoun County would threaten the estate's rural character. In 1985, she donated the approximately 286-acre property to the Northern Virginia Regional Park Authority. The authority has operated Temple Hall as a working farm and interpretive center since then. Temple Hall is part of the Catoctin Rural Historic District, a 25,000-acre historic landscape that was added to the National Register of Historic Places on 31 January 1989. Temple Hall itself received an individual National Register listing on 13 February 2007. Architecturally, the main house is an early Federal-style Flemish-bond brick building with a five-bay front, a hipped roof, a small Doric entrance portico, a semicircular fanlight, six-over-six sash windows, a surrounding frieze, and tall interior end chimneys. The grounds also retain a square brick smokehouse and two nineteenth-century frame barns. Today, the site represents the layered history of Virginia's plantation-era agriculture, enslavement, Civil War politics, twentieth-century farming, and historic preservation.
- 2007
Temple Hall receives individual National Register listing
[1]The property is individually listed on the National Register of Historic Places on 13 February.
- 1989
Catoctin Rural Historic District is listed
[1]Temple Hall becomes part of the Catoctin Rural Historic District, which is added to the National Register on 31 January.
- 1985
The farm is donated for preservation
[1]Mrs. Symington donates the approximately 286-acre property to the Northern Virginia Regional Park Authority.
- 1940
The Symington restoration begins
[1]James H. Symington and his wife acquire the property, restore the mansion, and modernize it with electricity and indoor plumbing.
- 1878
The Ball family sells the estate
[1]Temple Hall leaves Ball family ownership after an auction sale.
- 1864
John S. Mosby visits Temple Hall
[1]Mosby visits the property on 5 July and receives information connected with the action at Mount Zion Church.
- 1862
Henry A. Ball is imprisoned
[1]Ball is arrested for refusing to swear allegiance to the federal government and spends nearly a year in the Old Capitol Prison.
- 1857
The Mason ownership period ends
[1]William Temple Thomson Mason retires to Washington and sells the farm to Henry A. Ball.
- 1825
Lafayette, Adams, and Monroe visit
[1]The Marquis de Lafayette visits Temple Hall with President John Quincy Adams and former president James Monroe during Lafayette's American tour.
- 1810
Temple Hall is constructed
[1]William Temple Thomson Mason establishes the Federal-style mansion and farm near Leesburg in Loudoun County.
Products and positioning
A preserved Northern Virginia historic estate and working farm positioned around architectural heritage, agricultural interpretation, and public education.
Historic architecture · 1810
Temple Hall mansion
The principal building is an early nineteenth-century Federal-style brick mansion. Its documented features include Flemish-bond masonry, a five-bay facade, hipped roof, Doric portico, semicircular fanlight, tall six-over-six sash windows, encircling frieze, and interior end chimneys.
Agricultural heritage site · 1810
Temple Hall working farm
The property continues to be identified with working-farm operations and interpretation. Its agricultural history includes orchards, grain, livestock, popcorn production, cattle, hogs, and hay used for animal feed.
Regional park and interpretive center · 1985
Temple Hall Farm Regional Park
Since the 1985 donation, the Northern Virginia Regional Park Authority has operated Temple Hall as a public working farm and interpretive center, preserving the mansion, agricultural landscape, and associated historic structures.
Brand decisions
1985
Donation of Temple Hall for public preservationStrategyBackground
Mrs. Symington was concerned that development and population growth in Loudoun County would endanger the property's rural character.
Action taken
She transferred the approximately 286-acre farm to the Northern Virginia Regional Park Authority.
Aftermath
The authority has operated the property as a working farm and interpretive center, making preservation and public education central to Temple Hall's present identity.
Sources1 sources
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