+--John MCILVAIN  (ABT 1610-)
            +--John MCILVAIN  (ABT 1635-21 SEP 1669)
            |  +--Anna CORRIE  (-FEB 1632)
         +--John MCILVAIN  (1656-1735)
         |  +--Ann CUNNINGHAM 
      +--Robert MCILVAIN  (10 NOV 1696-15 JAN 1746)
      |  +--Sarah CLARK  (ABT 1660-)
   +--Moses MCILVAIN  (1723-ABT 1760)
   |  +--Isabella SWAN  (ABT 1700-AFT 1746)
+--Samuel MCILVAIN  (1753-2 FEB 1806)
|  |  +--James MILLER 
|  +--Agnes MILLER  (1723-BEF APR 1791)
|     +--Mary (MILLER) 
Robert MCILVAIN  (31 MAY 1787-)
|     +--John PURDY 
|  +--James PURDY  (1732-7 AUG 1813)
+--Margaret Elizabeth PURDY  (OCT 1761-24 APR 1840)
   |  +--James MCCONNELL  (1715-OCT 1764)
   +--Martha MCCONNELL  (1736-BEF 1800)
      +--Rebecca (MCCONNELL)  (ABT 1718-BEF 1764)