| Oregon County was organized on February 14, 1845, from Ripley County. Ripley county was organized January 5, 1833, from Wayne County. Wayne County was created in December 1818 by the last Missouri Territorial Legislature from parts of Cape Girardeau and Lawrence Counties. |
| Ed & Sandy Mackley's Missouri Families and Missouri Census Images Page numbers in indexes correspond with the pages here. |
| Oregon County History Pages created and maintained by Nancy Lewis Millsap & Lanita Sconce Miller. Transcriptions and Images of census, marriage, etc. If it has to do with Oregon County, MO, this is the place to go. Great site take a look! |