Illinois State Census Collection, 1825-1865 (

In the 1865 Illinois state census images, several errors occur:

  • Statistical summary pages (with township names) have not been digitized.
  • Several townships have been mislabeled.
  • Several townships have not been labeled at all.

For more information, see Harold Henderson, "Can You Find St. Charles in 1865?," Illinois State Genealogical Society Quarterly 41(2):100-102, Summer 2009. Reprinted online at

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