Index to the 1840 census for Winnebago County.  These
are only the heads of household.  This is on microfilm at the Oshkosh
Public Library.  The entire county of Winnebago was the Township of
Butte des Morts.  This will hold true for the census of 1842.  The Town of Butte des Morts was changed to the Town of Winnebago in Apr 1843.

1840 Winnebago County

 Aiken Ira
 Caldwell Archibald
 Coon Conrad
 Dickenson Clark
 Evans David
 Fidler Richard
 Ford Chester
 Fromm Lewis
 Gallup John
 Gallup Chester
 Girgnon Augustin Jr.
 Grignon Charles
 Grignon Robert
 Grignon Augsutin
 Irwin Samuel
 Jackson Joseph
 Johnson David
 Jourdain Joseph
 Knaggs James
 Lecager Simeon
 Luce Brighton
 Moon Henry
 Pendleton Peter
 Perry Nathaniel
 Powell William
 Prickett Richard
 Schooley Joseph
 Stanley Webster
 Wilkins Jason
 Wright George