Here is some info on a Cumberland Co KY deed that involved an Alexander and Nunn.How were they connected to your family?
In 1836, according to deed book M page 181, a James and Susannah McClure sold two parcels of land to a Joseph M. Gearheart. The land was in Cumberland Co KY on "Cases Fork of Marrowbone". The deed states that these parcels were originally sold to McClure by Walter Nunn on October 10, 1822.
The deed was witnessed by a Reuben Alexander and a Samuel Rickey.