+--Arthur, Jr O'HARRA  (19 OCT 1798-25 DEC 1862)
Elizabeth O'HARRA  (27 APR 1823-10 FEB 1894)
|                 +--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) 
+--Matilda MCILVAIN  (16 APR 1804-30 MAR 1875)
   |     +--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)