+--John Killough\Killogh  (CA. 1630-1689)
                     +--John Killough  (1657-CA. 1715)
                     |  +--Mary Hyde 
                  +--Robert Killough  (1681-1737)
                  |  +--Anne MacNeil 
               +--David Killough, I  (CA. 1712-1761)
               |  +--Margaret Finley 
            +--David Killough  (CA. 1742-APR 1785)
            |  +--Mary ______ 
         +--James Killough  (1765-4 JAN 1850)
         |  +--Margaret Stinson 
      +--John Killough  (CA. 1803-BEF. OCT 1848)
      |  |  +--John McCreary 
      |  +--Agnes "Nancy" McCreary  (12 JUN 1770-29 AUG 1847)
      |     +--Rebecca Clark 
   +--William Madison Killough  (25 JUN 1841-6 OCT 1897)
   |  +--Delila Stephenson  (1805-28 JAN 1873)
+--William Edgar Killough  (23 NOV 1886-12 AUG 1963)
|  +--Calidona Clementine Helms  (28 SEP 1861-4 DEC 1947)
Herbert Killough 
+--______