Margaret Conn Willcoxon Farr, known as "Grandma Farr," lived in Grandma's Cottage from about 1867 until her death in 1904. The house originally stood at the northeast corner of Main and North Streets. A sister of Albert Willcoxon, she and her husband, Richard Ratcliffe Farr, are buried in the Willcoxon Family Cemetery at Blenheim. The house is architecturally important for its rare construction technologies: hewri-timber framing with brick infill between the studs inside the c. 1840 section on the left side, and a shed-roofed addition on the right side with clapboard-covered log-wall construction that provides the area's only known surviving example of this early building technique. In the early morning hours of June 9, 2001, the cottage rolled along Old Lee Highway to its new home as overhead power wires were moved, traffic was diverted, and onlookers cheered. Moving the cottage to Blenheim reunited Grandma Farr with the Blenheim landscape and reflected the tightly connected Willcoxon, Farr, and Ratcliffe families, integral to the history of the early Town of Fairfax.