"_Resolved_, That the Petition of sundry Back-Inhabitants of the said County of _Fairfax_, praying the same may be divided into two distinct Counties, by a Line from the Mouth up the main Branch of _Difficult_-Run to the Head thereof, and thence by a streight Line to the Mouth of _Rocky_-Run, is reasonable." The following Monday the bill was again presented to the House by Charles Carter, of the Committee of Propositions and Grievances, and Friday, April 29, 1757, was ordered engrossed and read a third time. Monday, May 2, 1757, the engrossed Bill, entitled, "An Act for dividing the county of Fairfax," was read a third time, passed by the House, and sent to the Council for their "concurrence." It received the assent of the governor Wednesday, June 8, 1757. _An Act for Dividing the County of Fairfax._ (Passed May 2, 1757.) I. WHEREAS, Many inconveniences attend the upper inhabitants of the county of Fairfax, by reason of the large extent of the said county, and their remote situation from the court-house, and the said inhabitants have petitioned this present general assembly that the said county may be divided: Be it, therefore, enacted, by the Lieutenant-Governor, Council, and Burgesses of this present General Assembly, and it is hereby enacted, by the authority of the same, That from and after the 1st day of July next ensuing the said county of Fairfax be divided into two counties, that is to say: All that part thereof, lying above Difficult-run, which falls into Patowmack river, and by a line to be run from the head of the same run, a straight course, to the mouth of Rocky run, shall be one distinct county, and called and known by the name of Loudoun: And all that part thereof below the said run and course, shall be one other distinct county, and retain the name of Fairfax. II. And for the due administration of justice in the said county of Loudoun, after the same shall take place: Be it further enacted by the authority aforesaid, That after the first day of July a court for the said county of Loudoun be constantly held by the justices thereof, upon the second Tuesday in every month, in such manner as by the laws of this colony is provided, and shall be by their commission directed.