+--John McVicar 
+--George C. McVicar  (26 FEB 1850-17 AUG 1879)
|  |  +--Charles Thorpe  (1785-31 MAR 1829)
|  +--Stira Elizabeth Thorpe  (14 OCT 1825-)
|     |        +--Samuel Morison  (1671-29 SEP 1757)
|     |        |  +--  
|     |     +--John Morrison  (1721-1776)
|     |     |  +--Margaret Henry  (1685-30 APR 1774)
|     |  +--Samuel Morrison  (5 MAR 1751/52-1802)
|     |  |  +--Elizabeth Alexander  (ABT 1721-ABT 1811)
|     +--Charlotte Morrison  (25 NOV 1794-AUG 1850)
|        +--Mary Roach  (WFT Est 1736-1760-WFT Est 1779-1849)
Leon Wilbur McVicar  (7 SEP 1870-)
+--Frona Northrup