+--Joseph Mahon  (1804-13 AUG 1855)
+--Logan Mahon  (APR 1841-)
|  |           +--John Morison  (1628-16 FEB 1736)
|  |        +--John Morison  (1678-14 JUN 1776)
|  |        |  +--Wife One 
|  |     +--John Morison  (20 SEP 1725-27 DEC 1816)
|  |     |  +--Margaret Wallace  (1687-18 APR 1769)
|  |  +--Joseph A. Morison  (13 JUL 1769-OCT 1846)
|  |  |  +--Martha Anderson  (1732-31 MAR 1811)
|  +--Hannah Morison  (17 AUG 1803-11 SEP 1875)
|     +--Isabella Fletcher  (1778-OCT 1821)
Joseph Dimock Mahon  (20 NOV 1867-)
+--Lucretia Fulton  (-8 APR 1868)