Here's what I found on Isaac's ancestry: o Robert Kilgore (c1635) & Winnie Clayton - Rev. Robt Kilgore (1765) & Jane/Jean Porter . Ralph (1773) & Nancy Gray .. John (1799-1870) & Cynthia Addington ... Charles Cromwell Kilgore (1820-1877) & Catherine Ferguson - Isaac Newton Kilgore (11/30/1847) & Martha Merrit Jack T.