This collection contains materials created and collected by the Haight family. Materials include correspondence, household financial records, photographs, documents from the Civil War-era, and artifacts, such as Native American arrowheads. Most of the materials date from the mid to late 19th century and the early 20th century, but the collection also includes a ledger dating from before the American Revolution and a few items dating from after the First World War.

Series 1: Correspondence. This series contains letters to and from members of the Haight family and their friends. Haight family members represented in this series include George, Helen, Henry, Margaret, and Phebe. Some of the letters refer to the California Gold Rush in which Alexander Haight's brother-in-law, George Sweet (1821-1898), participated as a "49er". Other letters refer to the Civil War in which Henry C. Haight's father-in-law, John M. Young (1831-1864), fought under the Union Army.

Series 2: Legal and Financial Documents. This series contains personal legal and financial records of the Haight family, including deeds, receipts, contracts, and documents from the Fairfax County Court House. Specific items include court orders from 1852-1853 appointing Alexander Haight as "surveyor of the county road"; an 1864 letter from Virginia District Judge John C. Underwood on a forthcoming war-time property-confiscation trial of Alexander Haight; bank receipts of Elizabeth Haight from 1914-1919; deeds of gift from George Haight, 1895-1903; correspondence from March of 1884 regarding damage claims by Phebe Haight from the West and Sisson railroad company for damaged packages of butter; and a financial accounting record of farm land sold to Samuel Titus and Nehemiah Sweet, dated January 16, 1843.

Series 3: Photographs. This series contains around twenty original photographs and reproductions belonging to the Haight family. Subjects include Alexander, Phebe, Elizabeth, George, and Helen Haight; Fairfax County Court House; Sully Plantation; Fairfax Station during the Civil War; Alexander Haight's prize horse; and Clio, a young woman whom Phebe Haight enslaved at the Sully Plantation until 1862.

Series 4: Civil War Documents and Currency. This series contains various Civil War-era materials such as civilian passes, diary excerpts, and Confederate currency. Specific items include Civil War maps and photographs; an official order from General Jackson on the day of the Battle of Chantilly (Ox Hill) prohibiting the theft or destruction of private property; documents granting passage of Alexander Haight and company into and out of Virginia; a hand-written note from the Union Major General Julius Stahel to the Union Army, attesting to the good standing of Alexander Haight; receipts of Alexander Haight for Union and Confederate supplies given out during the war; and a typed manuscript detailing the Civil War experiences of the Sutton family in Fairfax, excerpted from the diaries of Charles and Phebe Sutton.

Series 5: Publications and Serials. This series contains seven illustrated monthly magazines and a book titled War Reminiscences by the Surgeon of Mosby's Command (1890). The magazines include issues of The Century, The Cosmopolitan, and McClure's.

Series 6: Miscellaneous Documents. This series contains miscellaneous printed materials, notes, and facsimiles. Materials include old business cards; brochures on local history; a newspaper facsimile (circa 1975) on old Fairfax families, the Haights and Milans; a scrap book of old newsclippings; and a ledger full of accounting records dating from before the Revolutionary War.

Series 7: Oversize. This series includes Confederate bonds; a centennial print of the Declaration of Independence; and newspapers chronicling the sinking of the Titanic, the election of Franklin Roosevelt, and other historical events.

Series 8: Objects. This series contains Civil War-era objects as well as Native American arrowheads and tools. It includes three muskets, ammunition, a sword with scabbard, two bayonets, a cavalry bridle, and a hand-made crutch.