Analostan, home of General John Mason. Located on the Potomac River in the District of Columbia on Theodore Roosevelt Island, known in the past as Barbadoes, Mason's Island, or Analostan. Built in the 1790's, its design is attributed to George Hadfield. General Mason sold the house about 1833 and moved to Clermont. Parts of the Analostan house stood until the 1930's when they were demolished by the Theodore Roosevelt Memorial Association. (Sunday Star, Feb. 6, 1921, Rambler "... History of Analostan Island;" Star, June 4, 1958, Rambler, "Revisits Analostan Island;" Virginia Record, July 1956, p. 9, Mollie Somerville, "George Mason's Island;" Rowland, George Mason, New York, Russell & Russell, 1892 and 1946, Vol I, p. 117; Harry F. Cunningham, Joseph A. Younger, and J. Wilmer Smith, Measured Drawings of Georgian Architecture in the District of Columbia, 1750-1820, New York, Architectural Book Company 1914, Sheets 58-61.)

Clermont, which was purchased by General John Mason and to which he and his family moved in 1833. Site near Fairfax County-Alexandria line, off Clermont Drive, near point where the Richmond, Fredericksburg & Potomac tracks cross Cameron Run. It was demolished in the 19th Century. ("Diary of Miss Mason," beginning Sept. 20th 1833, property of Mrs. Augustus Thorndike, partial copy in Gunston Hall archives (Analostan file); Christine Gibson unpublished report, Fairfax County Public Library, Virginiana Collection.)

Gunston Hall, home of George Mason IV, in Fairfax County. The house is a one-and-one-half-story brick structure, with interiors by William Buckland joiner and architect. In the garden is one of America's best surviving stands of English Boxwood. The house still stands on Route 242, 4 miles southeast of Route 1, and south of Fort Belvoir. It is owned by the Commonwealth of Virginia and administered as an historic house museum by a Board of Regents of the National Society of Colonial Dames. (Thomas Tileston Waterman, The Mansions of Virginia, Chapel Hill, University of North Carolina Press, 1946.)

Hollin Hall, built for and occupied by General Thomson Mason, son of George Mason IV of Gunston Hall, and father of T.F. Mason. It was a two-story frame structure, which burned early in the nineteenth century. Part of the complex may still exist, or be incorporated into the present structure known as Little Hollin Hall at 1901 Sherwood Hall Lane, in Fairfax County south of Alexandria. (Rowland, George Mason, New York, Russell & Russell, 1892 and 1946, Volume II, pps. 307, 351, and numerous others; Hollin Hills Bulletin, May 1969, June-July, 1969.)

Lexington, in Fairfax County, built for George Mason V, son of George of Gunston Hall and uncle of T.F. Mason. The house stood on Mason Neck, near Gunston Hall. The structure burned in the nineteenth century. (Rowland, George Mason, New York, Russell & Russell, 1892 and 1946, Volume I, p. 112; Edith Moore Sprouse, Lexington, unpublished report, June 1967, Virginiana Files, Fairfax County Public Library.)

Okeley, home of Richard Chichester Mason, brother of T.F. Mason. The structure was destroyed during the Civil War. It was located in Fairfax County on S. Kings Highway, just south of Huntley. (Rowland, George Mason, New York, Russell & Russell, 1892 and 1946, Volume II, p. 473; Alexandria Gazette, March 30, 1841).

Spring Bank, owned by George Mason, son of William Mason and first cousin of T.F. Mason. There may have been an earlier structure on the site, but the house in which this George Mason lived is a two-story brick structure, built about 1850, which is still standing. It is located at Penn Daw in Fairfax County in the Spring Bank Trailer Park, at the intersection of Kings Highway and the Jefferson Davis Highway (Route 1). (Rowland, George Mason, New York, Russell & Russell, 1892 and 1946, Volume II, pps. 366, 369, and others.)

Woodbridge, home of Thomas, son of George of Gunston Hall, and uncle of T.F. Mason. It stood in Prince William County almost directly across Occoquan River from Colchester and was demolished prior to 1892. (Rowland, George Mason, New York, Russell & Russell, 1892 and 1946, Volume I, p. 112.)