William and Cynthia Shannon moved from Canada to Illinois some time in the 
      late 1850s.
      In 1860, William and Cynthia Shannon are living in Wygandt Township,
      Iroquois County, Illinois.  They have five children living with them.
      In 1870, William and Cynthia Shannon are living in Papineau Township,
      Iroquois County, Illinois.  They have their six youngest children 
      living with them.
      In 1880, William and Cynthia Shannon are living in Papineau Township,
      Iroquois County, Illinois.  They have their five youngest children 
      living with them.