+--John Killough\Killogh  (CA. 1630-1689)
                        +--John Killough  (1657-CA. 1715)
                        |  +--Mary Hyde 
                     +--Robert Killough  (1681-CA. 1737)
                     |  +--Anne MacNeil 
                  +--John Killough  (1712-1777)
                  |  +--Margaret Finley 
               +--Richard Killough\Kello?  (CA. 1729-1789)
               |  +--Margaret ______ 
            +--Joseph Killough  (1760-CA. 1800)
         +--William Killough  (30 OCT 1770-1845)
      +--Thomas Killough  (1802-CA. 1875)
      |  +--Eleanor Neal  (19 JAN 1776-)
   +--James Monroe Killough  (23 JUN 1824-13 MAR 1863)
   |  |  +--William Hamilton 
   |  +--Margaret D. "Peggy" Hamilton  (AFT. DEC 1794-AFT. SEP 1868)
   |     +--Mary Bradford 
+--Thomas Lockard Killough  (27 DEC 1850-19 DEC 1934)
|  +--Nancy Jane Ross  (22 SEP 1825-4 MAY 1915)
Margaret Lee "Margie" Killough  (29 JUN 1898-11 NOV 1993)
|  +--Young Wortham 
+--Margaret Susan Wortham  (7 OCT 1865-18 JAN 1966)
   +--Sarah America Elizabeth Gregory