re: widow Hannah Adair, "Sligo" tract, Back Creek Hundred, Cecil Co, Maryland, widow of Samuel Adair & Emmett family ?
From "Records of a Family of the House of Alexander from 1640 to 1909" and "Memorials of the Earl of Stirling and of the House of Alexander" p.28 " .............. in possession of Thomas Brevard, until he came to the plantation owned by James Foster, called Jones Green Springs to a line that divided his land from Thomas Craig until it came to the original line near Purgatory Swamp, the land purchased by Samuel Adair from his (Francis Alexander's) uncle Francis (Alexander). Signed Francis Alexander.
p.36 "......plantation lying and being in Back Creek Hundred belonging to David Alexander enumerated as follows : Alexandria, Sligo, Bullen's Range, Hispaniola, Knowlwood and Alexander's Lot. These lands, beginning at the corner of widow Adair's lands and running thence to a corner stone, on a branch of Silver Run, then north to Benjamin Brevard's land ....."