+--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) 
+--William MCILVAIN  (26 SEP 1780-31 AUG 1843)
|  |     +--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)
Mary Elizabeth MCILVAIN  (26 FEB 1823-18 MAR 1888)
+--Rebecca RIDDLE  (1788-1834)